{"id":"CVE-2026-94439","aliases":["ALPINE-CVE-2026-94439","ALSA-2026:86093","ALSA-2026:86196","ALSA-2026:86203","AZL-108222","AZL-108239","AZL-108468","AZL-108543","BELL-CVE-2026-94439","BIT-golang-2026-94439","DEBIAN-CVE-2026-94439","EUVD-2026-95428","GHSA-2gfw-j3c5-j46w","GO-2026-6613","MGASA-2026-0497","MGASA-2026-0586","OESA-2026-4768","OESA-2026-4769","OESA-2026-4770","OESA-2026-4771","SUSE-SU-2026:24237-1","SUSE-SU-2026:24239-1","SUSE-SU-2026:4625-1","SUSE-SU-2026:4629-1","SUSE-SU-2026:4866-1","SUSE-SU-2026:4867-1","UBUNTU-CVE-2026-94439","USN-8935-1","openSUSE-SU-2026:12093-1","openSUSE-SU-2026:12101-1","openSUSE-SU-2026:12112-1","openSUSE-SU-2026:22093-1","openSUSE-SU-2026:22095-1"],"status":"published","title":"HTTP/1 server connection desynchronization after 2xx CONNECT response in net/http","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00528,"percentile":0.45184,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-444"],"published":"2026-10-08T22:31:09Z","modified":"2026-11-11T12:45:06Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"go","fixed_in":["1.26.9-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:23","package":"go","fixed_in":["1.26.9-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"go","fixed_in":["1.26.9-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"go","fixed_in":["1.27.2-r0"],"sources":["osv"]},{"ecosystem":"BellSoft 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:"https://nvd.nist.gov/vuln/detail/CVE-2026-97032","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4769","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4770","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4771","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202624237-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1272545","tags":["report"]},{"url":"https://bugzilla.suse.com/1284766","tags":["report"]},{"url":"https://bugzilla.suse.com/1284767","tags":["report"]},{"url":"https://bugzilla.suse.com/1284768","tags":["report"]},{"url":"https://bugzilla.suse.com/1284769","tags":["report"]},{"url":"https://bugzilla.suse.com/1284770","tags":["report"]},{"url":"https://bugzilla.suse.com/1284771","tags":["report"]},{"url":"https://bugzilla.suse.com/1284772","tags":["report"]},{"url":"https://bugzilla.suse.com/1284773","tags":["report"]},{"url":"https://bugzilla.suse.com/1284774","tags":["report"]},{"url":"https://bugzilla.suse.com/1284775","tags":["report"]},{"url":"https://bugzilla.suse.com/1284776","tags":["report"]},{"url":"https://bugzilla.suse.com/1284777","tags":["report"]},{"url":"https://bugzilla.suse.com/1284778","tags":["report"]},{"url":"https://bugzilla.suse.com/1284779","tags":["report"]},{"url":"https://bugzilla.suse.com/1284780","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-56857","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-56866","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-78659","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-78660","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-78663","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-78667","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-78669","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94439","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94440","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94444","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94447","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-94448","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-97030","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-97031","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-97032","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202624239-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1255111","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264625-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264629-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264866-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1286261","tags":["report"]},{"url":"https://bugzilla.suse.com/1286317","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-111943","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264867-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-94439","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-94439","tags":["report"]},{"url":"https://github.com/golang/go/issues/81744","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8935-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-33818","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-56859","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-56862","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-56865","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-56866","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-78659","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-78660","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-78663","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-78667","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-78669","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-94440","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84445","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-94439","title":"HTTP/1 server connection desynchronization after 2xx CONNECT response in net/http","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T22:53:59.976Z","modified":"2026-10-09T16:52:15.154Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:19:54.122945Z"}],"euvd":[{"id":"EUVD-2026-95428","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T22:53:59Z","modified":"2026-10-09T16:52:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:24.64208Z"}],"ghsa":[{"id":"GHSA-2gfw-j3c5-j46w","title":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without...","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-09T00:31:48Z","modified":"2026-10-09T18:31:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T15:13:01.290603Z"}],"nvd":[{"id":"CVE-2026-94439","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:04.76Z","modified":"2026-10-09T17:16:50.703Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:12:55.473789Z"}],"osv":[{"id":"ALPINE-CVE-2026-94439","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:04.76Z","modified":"2026-11-03T06:32:57.538974225Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T07:16:09.603409Z"},{"id":"BELL-CVE-2026-94439","status":"published","published":"2026-10-09T06:05:30.246237Z","modified":"2026-10-21T07:15:09.619331857Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:28:27.468539Z"},{"id":"DEBIAN-CVE-2026-94439","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:04.76Z","modified":"2026-10-12T11:00:46.41117085Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:46:07.324252Z"},{"id":"OESA-2026-4768","title":"golang security update","description":".\r\n\r\nSecurity Fix(es):\n\nDuring chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.(CVE-2026-32280)\n\nWhen \u0026quot;Trailer\u0026quot; headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending a \u0026quot;Trailer\u0026quot; header that declares a large number of fields, causing the server to allocate a disproportionate amount of memory while bypassing Server.MaxHeaderValueCount and Server.MaxHeaderBytes limits. This exploit is not applicable for HTTP/1 servers, which do not support multiplexing a large number of requests over one TCP connection, and whose Server.MaxHeaderBytes are calculated differently.(CVE-2026-78659)\n\nThe HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.(CVE-2026-78663)\n\nA malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.(CVE-2026-78669)\n\nWhen an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.(CVE-2026-94439)\n\nPreviously, a user operating inside of a malicious Go project that defines a bogus golang.org/toolchain go.sum entry and operates a malicious GOMODPROXY the user chooses to use can bypass the intended checksum. We now ensure that golang.org/toolchain always goes to the network for the canonical checksum.(CVE-2026-94447)\n\nHTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder\u0026apos;s table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server.(CVE-2026-97032)","status":"published","published":"2026-11-11T12:25:58Z","modified":"2026-11-11T12:45:04.577695046Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-11T13:08:46.301371Z"},{"id":"OESA-2026-4769","title":"golang security update","description":".\r\n\r\nSecurity Fix(es):\n\nDuring chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.(CVE-2026-32280)\n\nWhen \u0026quot;Trailer\u0026quot; headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending a \u0026quot;Trailer\u0026quot; header that declares a large number of fields, causing the server to allocate a disproportionate amount of memory while bypassing Server.MaxHeaderValueCount and Server.MaxHeaderBytes limits. This exploit is not applicable for HTTP/1 servers, which do not support multiplexing a large number of requests over one TCP connection, and whose Server.MaxHeaderBytes are calculated differently.(CVE-2026-78659)\n\nThe HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.(CVE-2026-78663)\n\nA malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.(CVE-2026-78669)\n\nWhen an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.(CVE-2026-94439)\n\nPreviously, a user operating inside of a malicious Go project that defines a bogus golang.org/toolchain go.sum entry and operates a malicious GOMODPROXY the user chooses to use can bypass the intended checksum. We now ensure that golang.org/toolchain always goes to the network for the canonical checksum.(CVE-2026-94447)\n\nHTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder\u0026apos;s table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server.(CVE-2026-97032)","status":"published","published":"2026-11-11T12:25:58Z","modified":"2026-11-11T12:45:04.579496562Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-11T13:08:46.301371Z"},{"id":"OESA-2026-4770","title":"golang security update","description":".\r\n\r\nSecurity Fix(es):\n\nDuring chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.(CVE-2026-32280)\n\nWhen \u0026quot;Trailer\u0026quot; headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending a \u0026quot;Trailer\u0026quot; header that declares a large number of fields, causing the server to allocate a disproportionate amount of memory while bypassing Server.MaxHeaderValueCount and Server.MaxHeaderBytes limits. This exploit is not applicable for HTTP/1 servers, which do not support multiplexing a large number of requests over one TCP connection, and whose Server.MaxHeaderBytes are calculated differently.(CVE-2026-78659)\n\nThe HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.(CVE-2026-78663)\n\nA malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.(CVE-2026-78669)\n\nWhen an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.(CVE-2026-94439)\n\nHTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder\u0026apos;s table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server.(CVE-2026-97032)","status":"published","published":"2026-11-11T12:25:59Z","modified":"2026-11-11T12:45:06.391746991Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-11T13:08:46.301371Z"},{"id":"OESA-2026-4771","title":"golang security update","description":".\r\n\r\nSecurity Fix(es):\n\nDuring chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.(CVE-2026-32280)\n\nWhen \u0026quot;Trailer\u0026quot; headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending a \u0026quot;Trailer\u0026quot; header that declares a large number of fields, causing the server to allocate a disproportionate amount of memory while bypassing Server.MaxHeaderValueCount and Server.MaxHeaderBytes limits. This exploit is not applicable for HTTP/1 servers, which do not support multiplexing a large number of requests over one TCP connection, and whose Server.MaxHeaderBytes are calculated differently.(CVE-2026-78659)\n\nThe HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.(CVE-2026-78663)\n\nA malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.(CVE-2026-78669)\n\nWhen an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.(CVE-2026-94439)\n\nPreviously, a user operating inside of a malicious Go project that defines a bogus golang.org/toolchain go.sum entry and operates a malicious GOMODPROXY the user chooses to use can bypass the intended checksum. We now ensure that golang.org/toolchain always goes to the network for the canonical checksum.(CVE-2026-94447)\n\nHTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder\u0026apos;s table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server.(CVE-2026-97032)","status":"published","published":"2026-11-11T12:26:00Z","modified":"2026-11-11T12:45:04.828637769Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-11T13:08:46.301371Z"},{"id":"UBUNTU-CVE-2026-94439","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:00Z","modified":"2026-10-19T17:00:17.361119506Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:57:44.071534Z"},{"id":"ALSA-2026:86093","title":"Important: golang security, bug fix, and enhancement update","description":"The golang packages provide the Go programming language compiler.  \n\nSecurity Fix(es):  \n\n  * net/[http:](http:) golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)\n  * crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031)\n  * net/[http:](http:) net/http/internal/http2: golang.org/x/net/http2: net/[http:](http:) Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)\n  * golang: crypto/x509: Go: crypto/x509: mitigation for security concerns with a specific Certificate Authority (CVE-2026-111943)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Update Go to version 1.26.10+1 [almalinux-10.2.z] (JIRA:AlmaLinux-287191)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-10-20T00:00:00Z","modified":"2026-10-29T11:42:19.545498615Z","updated_at":"2026-11-02T15:27:57.367731Z"},{"id":"ALSA-2026:86196","title":"Important: golang security, bug fix, and enhancement update","description":"The golang packages provide the Go programming language compiler.  \n\nSecurity Fix(es):  \n\n  * net/[http:](http:) golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)\n  * crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031)\n  * net/[http:](http:) net/http/internal/http2: golang.org/x/net/http2: net/[http:](http:) Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)\n  * golang: crypto/x509: Go: crypto/x509: mitigation for security concerns with a specific Certificate Authority (CVE-2026-111943)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Update Go to version 1.26.10+1 [almalinux-9.8.z] (JIRA:AlmaLinux-287192)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-10-20T00:00:00Z","modified":"2026-10-29T11:42:24.624651287Z","updated_at":"2026-11-02T15:27:57.367731Z"},{"id":"ALSA-2026:86203","title":"Important: go-toolset:rhel8 security, bug fix, and enhancement update","description":"Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.   \n\nSecurity Fix(es):  \n\n  * net/[http:](http:) golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)\n  * crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031)\n  * net/[http:](http:) net/http/internal/http2: golang.org/x/net/http2: net/[http:](http:) Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)\n  * golang: crypto/x509: Go: crypto/x509: mitigation for security concerns with a specific Certificate Authority (CVE-2026-111943)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Update Go to version 1.26.10+1 [almalinux-8.10.z] (JIRA:AlmaLinux-287193)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-10-20T00:00:00Z","modified":"2026-10-29T11:12:06.542723063Z","updated_at":"2026-11-02T15:27:57.367731Z"},{"id":"AZL-108222","title":"CVE-2026-94439 affecting package golang 1.26.10-1","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:04Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:18.199293Z"},{"id":"AZL-108239","title":"CVE-2026-94439 affecting package golang 1.27.3-1","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:04Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:18.199293Z"},{"id":"AZL-108468","title":"CVE-2026-94439 affecting package python-tensorboard 2.16.2-6","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:04Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:01.725816Z"},{"id":"AZL-108543","title":"CVE-2026-94439 affecting package tensorflow 2.16.1-11","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T23:17:04Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:01.725816Z"},{"id":"BIT-golang-2026-94439","title":"HTTP/1 server connection desynchronization after 2xx CONNECT response in net/http","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP. The impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-16T08:40:07.415Z","modified":"2026-10-16T09:55:43.259958683Z","updated_at":"2026-11-02T15:28:31.02759Z"},{"id":"GO-2026-6613","title":"HTTP/1 server connection desynchronization after 2xx CONNECT response in net/http","description":"When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server should not treat the connection as continuing to contain HTTP.\n\nThe impact of this misbehavior is mostly limited to potential request smuggling, where an intermediate proxy considers the data on the connection to be tunneled and the server considers it to be HTTP.","status":"published","published":"2026-10-08T22:31:09Z","modified":"2026-10-16T09:55:43.259958683Z","updated_at":"2026-11-02T15:47:03.11707Z"},{"id":"MGASA-2026-0497","title":"Updated golang packages fix security vulnerabilities","description":"net/http: HTTP/2 server crash due to HPACK encoder race\nnet/http: HTTP/2 server memory exhaustion due to Trailer headers\ncrypto/tls: reject malformed ECH outer extension references\ncmd/go: checksum bypass for golang.org/fips140\ncmd/go: checksum database bypass for golang.org/toolchain\nhtml/template: reset context tracking on consecutive template\nexpressions\nhtml/template: recognize |yield| as regexp preceder keyword\nnet/textproto, mime/multipart: memory limit bypass when parsing MIME\nheaders\nnet/http: HTTP/1 client connection desynchronization after CONNECT\nrejection\nnet/http: HTTP/1 server connection desynchronization after 2xx CONNECT\nresponse\nnet/http: excessive CPU consumption from repeated initial window changes\nnet/http: HTTP/2 transport accepts malformed framing-related headers\nnet/http: lack of limit on size of parsed Range headers\nnet/http: double flow control refund on HTTP/2 server streams\n","status":"published","published":"2026-10-13T01:20:53Z","modified":"2026-10-13T01:42:53.609450881Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"MGASA-2026-0586","title":"Updated rclone package fixes security vulnerabilities","description":"This update brings new features, bugs and vulnerabilities fixed in the\nrclone and golang components used to build it.\n","status":"published","published":"2026-11-10T16:31:41Z","modified":"2026-11-10T16:45:03.103329652Z","updated_at":"2026-11-10T17:04:13.670671Z"},{"id":"openSUSE-SU-2026:12093-1","title":"go1.26-1.26.9-1.1 on GA media","description":"These are all security issues fixed in the go1.26-1.26.9-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-09T00:00:00Z","modified":"2026-10-10T17:23:22.436651438Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"openSUSE-SU-2026:12101-1","title":"go1.27-1.27.2-1.1 on GA media","description":"These are all security issues fixed in the go1.27-1.27.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-10T00:00:00Z","modified":"2026-10-11T12:45:03.867263309Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"openSUSE-SU-2026:12112-1","title":"rclone-1.75.2-1.1 on GA media","description":"These are all security issues fixed in the rclone-1.75.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-12T00:00:00Z","modified":"2026-10-13T10:30:04.88132213Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"openSUSE-SU-2026:22093-1","title":"Security update for go1.27","description":"This update for go1.27 fixes the following issues:\n\nUpdate to go1.27.2 (bsc#1272545):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n\nChanges:\n\n- go1.27.2 (released 2026-10-08) includes security fixes to the go\n command, and the crypto/tls, html/template, net/http,\n net/textproto, and os packages, as well as bug fixes to the\n compiler, the linker, the runtime, the cover tool, the go fix\n command, vet, and the compress/flate, crypto/mlkem,\n encoding/json, encoding/json/v2, net/http, and os packages.\n * go#81084 encoding/json: Unmarshal leaves +/-Inf in the destination on float overflow in Go 1.27\n * go#81145 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81226 runtime: netpoll: eventfd ready for something unexpected\n * go#81229 encoding/json: json.UnsupportedValueError returns an Invalid Value instead of a Float value\n * go#81233 compress/flate: Writer with a preset dictionary emits the dictionary into the output stream\n * go#81252 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81296 cmd/compile: internal compiler error: MoveLoop too small\n * go#81306 cmd/compile: go1.27.0 unified export data loses method order, breaking objectpath, crashing staticcheck\n * go#81324 plugin: loading multiple plugins corrupts stdlib types in Go 1.27\n * go#81353 runtime: Go 1.27.0: SIGSEGV crash with generic function + pointer type parameter + embedded interface\n * go#81362 encoding/json: Marshal now honors MarshalText for string-kind map keys\n * go#81374 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81389 cmd/fix, x/tools/go/analysis/passes/modernize: errorsastype rewrites errors.As target interface that does not implement error\n * go#81402 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81411 net/http: concurrent response body Read and Close can deadlock with automatic draining in Go 1.27\n * go#81437 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81469 runtime: ios/arm64 binaries executed outside an app bundle change working directory on startup\n * go#81515 net/http: readLoop reads Response.ContentLength after Body.Close returns\n * go#81516 net/http: Response.Body.Close returns the earlier Read error after a non-EOF Read failure\n * go#81522 net/http: Response.Trailer race due to response body draining\n * go#81580 testing: go test -v doubles ESC (0x1b) in t.Log output since Go 1.27, corrupting ANSI colors in some terminals\n * go#81666 cmd/compile: Embedded interfaces using tail calls cause race detector stack growth\n * go#81667 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases reused memory\n * go#81706 cmd/compile: ICE on 386 when inlining nested bit rotations (Int64Lo not lowered)\n * go#81816 net/http: Request.TLS is not properly populated for HTTP/2 requests\n * go#81818 cmd/internal/obj/ppc64: async preemption bug in BR (CTR)\n * go#81829 runtime: windows/amd64 stack corruption when LockOSThread wraps registry calls (new in Go 1.27)\n * go#81832 cmd/cover: NumStmt duplicated across split blocks, inflating statement coverage\n * go#81861 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81890 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining DWARF\n","status":"published","published":"2026-10-13T12:02:27Z","modified":"2026-10-19T17:23:13.686380094Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"openSUSE-SU-2026:22095-1","title":"Security update for go1.26","description":"This update for go1.26 fixes the following issues:\n\nUpdate to go 1.26.9 (bsc#1255111):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n\nChanges:\n\n- go1.26.9 (released 2026-10-08) includes security fixes to the go\n command, and the crypto/tls, html/template, net/http,\n net/textproto, and os packages, as well as bug fixes to the\n compiler, the linker, the runtime, vet, and the crypto/mlkem,\n net/http, and os packages.\n * go#81144 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81225 runtime: netpoll: eventfd ready for something unexpected\n * go#81251 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81295 cmd/compile: internal compiler error: MoveLoop too small\n * go#81318 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81401 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81436 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81668 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases reused memory\n * go#81689 cmd/compile: slice allocation reuses stack backing store incorrectly\n * go#81860 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81889 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining DWARF\n","status":"published","published":"2026-10-13T15:18:05Z","modified":"2026-10-19T17:23:13.634582243Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:24237-1","title":"Security update for go1.27","description":"This update for go1.27 fixes the following issues:\n\nUpdate to go1.27.2 (bsc#1272545):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n\nChanges:\n\n- go1.27.2 (released 2026-10-08) includes security fixes to the go\n command, and the crypto/tls, html/template, net/http,\n net/textproto, and os packages, as well as bug fixes to the\n compiler, the linker, the runtime, the cover tool, the go fix\n command, vet, and the compress/flate, crypto/mlkem,\n encoding/json, encoding/json/v2, net/http, and os packages.\n * go#81084 encoding/json: Unmarshal leaves +/-Inf in the destination on float overflow in Go 1.27\n * go#81145 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81226 runtime: netpoll: eventfd ready for something unexpected\n * go#81229 encoding/json: json.UnsupportedValueError returns an Invalid Value instead of a Float value\n * go#81233 compress/flate: Writer with a preset dictionary emits the dictionary into the output stream\n * go#81252 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81296 cmd/compile: internal compiler error: MoveLoop too small\n * go#81306 cmd/compile: go1.27.0 unified export data loses method order, breaking objectpath, crashing staticcheck\n * go#81324 plugin: loading multiple plugins corrupts stdlib types in Go 1.27\n * go#81353 runtime: Go 1.27.0: SIGSEGV crash with generic function + pointer type parameter + embedded interface\n * go#81362 encoding/json: Marshal now honors MarshalText for string-kind map keys\n * go#81374 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81389 cmd/fix, x/tools/go/analysis/passes/modernize: errorsastype rewrites errors.As target interface that does not implement error\n * go#81402 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81411 net/http: concurrent response body Read and Close can deadlock with automatic draining in Go 1.27\n * go#81437 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81469 runtime: ios/arm64 binaries executed outside an app bundle change working directory on startup\n * go#81515 net/http: readLoop reads Response.ContentLength after Body.Close returns\n * go#81516 net/http: Response.Body.Close returns the earlier Read error after a non-EOF Read failure\n * go#81522 net/http: Response.Trailer race due to response body draining\n * go#81580 testing: go test -v doubles ESC (0x1b) in t.Log output since Go 1.27, corrupting ANSI colors in some terminals\n * go#81666 cmd/compile: Embedded interfaces using tail calls cause race detector stack growth\n * go#81667 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases reused memory\n * go#81706 cmd/compile: ICE on 386 when inlining nested bit rotations (Int64Lo not lowered)\n * go#81816 net/http: Request.TLS is not properly populated for HTTP/2 requests\n * go#81818 cmd/internal/obj/ppc64: async preemption bug in BR (CTR)\n * go#81829 runtime: windows/amd64 stack corruption when LockOSThread wraps registry calls (new in Go 1.27)\n * go#81832 cmd/cover: NumStmt duplicated across split blocks, inflating statement coverage\n * go#81861 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81890 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining DWARF\n","status":"published","published":"2026-10-13T12:03:33Z","modified":"2026-10-21T17:23:11.742264883Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24239-1","title":"Security update for go1.26","description":"This update for go1.26 fixes the following issues:\n\nUpdate to go 1.26.9 (bsc#1255111):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n\nChanges:\n\n- go1.26.9 (released 2026-10-08) includes security fixes to the go\n command, and the crypto/tls, html/template, net/http,\n net/textproto, and os packages, as well as bug fixes to the\n compiler, the linker, the runtime, vet, and the crypto/mlkem,\n net/http, and os packages.\n * go#81144 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81225 runtime: netpoll: eventfd ready for something unexpected\n * go#81251 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81295 cmd/compile: internal compiler error: MoveLoop too small\n * go#81318 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81401 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81436 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81668 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases reused memory\n * go#81689 cmd/compile: slice allocation reuses stack backing store incorrectly\n * go#81860 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81889 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining DWARF\n","status":"published","published":"2026-10-13T15:22:17Z","modified":"2026-10-21T17:23:11.945901699Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:4625-1","title":"Security update for go1.27","description":"This update for go1.27 fixes the following issues:\n\nUpdate to go1.27.2 (bsc#1272545):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n\nChanges:\n\n- go1.27.2 (released 2026-10-08) includes security fixes to the go\n command, and the crypto/tls, html/template, net/http,\n net/textproto, and os packages, as well as bug fixes to the\n compiler, the linker, the runtime, the cover tool, the go fix\n command, vet, and the compress/flate, crypto/mlkem,\n encoding/json, encoding/json/v2, net/http, and os packages.\n * go#81084 encoding/json: Unmarshal leaves +/-Inf in the destination on float overflow in Go 1.27\n * go#81145 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81226 runtime: netpoll: eventfd ready for something unexpected\n * go#81229 encoding/json: json.UnsupportedValueError returns an Invalid Value instead of a Float value\n * go#81233 compress/flate: Writer with a preset dictionary emits the dictionary into the output stream\n * go#81252 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81296 cmd/compile: internal compiler error: MoveLoop too small\n * go#81306 cmd/compile: go1.27.0 unified export data loses method order, breaking objectpath, crashing staticcheck\n * go#81324 plugin: loading multiple plugins corrupts stdlib types in Go 1.27\n * go#81353 runtime: Go 1.27.0: SIGSEGV crash with generic function + pointer type parameter + embedded interface\n * go#81362 encoding/json: Marshal now honors MarshalText for string-kind map keys\n * go#81374 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81389 cmd/fix, x/tools/go/analysis/passes/modernize: errorsastype rewrites errors.As target interface that does not implement error\n * go#81402 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81411 net/http: concurrent response body Read and Close can deadlock with automatic draining in Go 1.27\n * go#81437 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81469 runtime: ios/arm64 binaries executed outside an app bundle change working directory on startup\n * go#81515 net/http: readLoop reads Response.ContentLength after Body.Close returns\n * go#81516 net/http: Response.Body.Close returns the earlier Read error after a non-EOF Read failure\n * go#81522 net/http: Response.Trailer race due to response body draining\n * go#81580 testing: go test -v doubles ESC (0x1b) in t.Log output since Go 1.27, corrupting ANSI colors in some terminals\n * go#81666 cmd/compile: Embedded interfaces using tail calls cause race detector stack growth\n * go#81667 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases reused memory\n * go#81706 cmd/compile: ICE on 386 when inlining nested bit rotations (Int64Lo not lowered)\n * go#81816 net/http: Request.TLS is not properly populated for HTTP/2 requests\n * go#81818 cmd/internal/obj/ppc64: async preemption bug in BR (CTR)\n * go#81829 runtime: windows/amd64 stack corruption when LockOSThread wraps registry calls (new in Go 1.27)\n * go#81832 cmd/cover: NumStmt duplicated across split blocks, inflating statement coverage\n * go#81861 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81890 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining DWARF\n","status":"published","published":"2026-10-12T08:25:05Z","modified":"2026-10-13T10:30:05.897991531Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4629-1","title":"Security update for go1.26","description":"This update for go1.26 fixes the following issues:\n\nUpdate to go 1.26.9 (bsc#1255111):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n\nChanges:\n\n- go1.26.9 (released 2026-10-08) includes security fixes to the go\n command, and the crypto/tls, html/template, net/http,\n net/textproto, and os packages, as well as bug fixes to the\n compiler, the linker, the runtime, vet, and the crypto/mlkem,\n net/http, and os packages.\n * go#81144 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81225 runtime: netpoll: eventfd ready for something unexpected\n * go#81251 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81295 cmd/compile: internal compiler error: MoveLoop too small\n * go#81318 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81401 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81436 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81668 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases reused memory\n * go#81689 cmd/compile: slice allocation reuses stack backing store incorrectly\n * go#81860 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81889 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining DWARF\n","status":"published","published":"2026-10-12T15:15:26Z","modified":"2026-10-13T10:30:05.951862663Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4866-1","title":"Security update for go1.26-openssl","description":"This update for go1.26-openssl fixes the following issues:\n\nUpdate to version 1.26.10 (bsc#1255111, jsc#SLE-18320):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n- CVE-2026-111943: crypto/x509: mitigation for security concerns with a specific Certificate Authority (bsc#1286317,\n  bsc#1286261).\n\nChanges:\n\n * go#81144 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81225 runtime: netpoll: eventfd ready for something unexpected\n * go#81251 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81295 cmd/compile: internal compiler error: MoveLoop too small\n * go#81318 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81401 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81436 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81668 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases \n   reused memory\n * go#81689 cmd/compile: slice allocation reuses stack backing store incorrectly\n * go#81860 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81889 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining \n   DWARF\n * go#81152 cmd/compile/internal/test: TestMergeLocalsIntegration failures\n * go#81113 debug/elf: applyRelocationsPPC was broken by CL 705075\n * go#80889 os: TestRootMultiMkdirAllShallow failures on openbsd\n * go#80851 cmd/go: pseudo #cgo directive FFLAGS value mixed up with CXXFLAGS in Go 1.26\n * go#80827 runtime: async preemption corrupts AVX (YMM) state on netbsd/amd64\n","status":"published","published":"2026-10-22T14:38:04Z","modified":"2026-10-23T10:30:03.801269439Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4867-1","title":"Security update for go1.26-openssl","description":"This update for go1.26-openssl fixes the following issues:\n\nUpdate to version 1.26.10 (bsc#1255111, jsc#SLE-18320):\n\n- CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766).\n- CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767).\n- CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768).\n- CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769).\n- CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770).\n- CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771).\n- CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772).\n- CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773).\n- CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774).\n- CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775).\n- CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776).\n- CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777).\n- CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778).\n- CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779).\n- CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780).\n- CVE-2026-111943: crypto/x509: mitigation for security concerns with a specific Certificate Authority (bsc#1286317,\n  bsc#1286261).\n\nChanges:\n\n * go#81144 runtime: mutex profiling can deadlock Windows asynchronous preemption during GC\n * go#81225 runtime: netpoll: eventfd ready for something unexpected\n * go#81251 lib/fips140: fix ML-KEM CAST and re-seal v1.26.0\n * go#81295 cmd/compile: internal compiler error: MoveLoop too small\n * go#81318 os,internal/poll: NewFile on an inherited overlapped stdout pipe hangs a sibling's WriteFile (Windows)\n * go#81401 os: go 1.25.x regression on RemoveAll for oldest Windows 10 build 10240\n * go#81436 runtime: intermittent SIGBUS (unaligned access) in netpoll on mips64le (Go 1.27)\n * go#81668 cmd/compile: go1.27 miscompiles \u0026slice[i].Field on an append-built slice; returned pointer aliases \n   reused memory\n * go#81689 cmd/compile: slice allocation reuses stack backing store incorrectly\n * go#81860 cmd/go: vet reports no diagnostics for a package that an earlier run vetted as a dependency\n * go#81889 cmd/link: plugin.Open fails on macOS 27: LC_DYLD_CHAINED_FIXUPS seg_count not updated after combining \n   DWARF\n * go#81152 cmd/compile/internal/test: TestMergeLocalsIntegration failures\n * go#81113 debug/elf: applyRelocationsPPC was broken by CL 705075\n * go#80889 os: TestRootMultiMkdirAllShallow failures on openbsd\n * go#80851 cmd/go: pseudo #cgo directive FFLAGS value mixed up with CXXFLAGS in Go 1.26\n * go#80827 runtime: async preemption corrupts AVX (YMM) state on netbsd/amd64\n","status":"published","published":"2026-10-22T15:06:56Z","modified":"2026-10-23T10:30:04.00006771Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"USN-8935-1","title":"golang-1.22 vulnerabilities","description":"It was discovered that Go did not enforce a maximum recursion depth when\nparsing deeply nested ASN.1 structures. An attacker could possibly use this\nissue to cause Go to crash, resulting in a denial of service.\n(CVE-2026-33818)\n\nIt was discovered that Go incorrectly reset the depth counter when decoding\nXML elements. An attacker could possibly use this issue to cause Go to\ncrash via deeply nested XML input, resulting in a denial of service.\n(CVE-2026-56859)\n\nIt was discovered that Go incorrectly handled TLS KeyUpdate messages after\nthe handshake was completed. A remote attacker could possibly use this\nissue to cause Go to use excessive resources, leading to a denial of\nservice. (CVE-2026-56862)\n\nIt was discovered that Go did not correctly verify checksum database tiles\nagainst their parents. An attacker in control of a malicious module proxy\ncould possibly use this issue to bypass checksum database verification and\nserve malicious module content. (CVE-2026-56865)\n\nIt was discovered that the Go HTTP client incorrectly returned connections\nto the idle pool after a rejected HTTP/1 CONNECT request with a request\nbody. A remote attacker could possibly use this issue to perform HTTP\nresponse poisoning attacks against reverse proxies. (CVE-2026-56866)\n\nIt was discovered that the Go HTTP/2 server did not apply header limits to\nTrailer headers. A remote attacker could possibly use this issue to cause\nGo to use excessive resources, leading to a denial of service.\n(CVE-2026-78659)\n\nIt was discovered that the Go HTTP/2 implementation did not remove\nmalformed framing-related headers when forwarding responses. A remote\nattacker could possibly use this issue to perform HTTP response smuggling\nattacks when Go was acting as a reverse proxy. (CVE-2026-78660)\n\nIt was discovered that the Go HTTP/2 server could refund connection-level\nflow control twice for the same data under certain circumstances. A remote\nattacker could possibly use this issue to bypass the configured\nconnection-level flow control limit. (CVE-2026-78663)\n\nIt was discovered that Go did not limit the size of Range headers parsed\nwhen serving content over HTTP. A remote attacker could possibly use this\nissue to cause Go to use excessive resources, leading to a denial of\nservice. (CVE-2026-78667)\n\nIt was discovered that the Go HTTP/2 implementation incorrectly handled\nSETTINGS frames that changed the initial window size. A remote attacker\ncould possibly use this issue to cause Go to use excessive resources,\nleading to a denial of service. (CVE-2026-78669)\n\nIt was discovered that the Go HTTP server continued to serve requests on a\nconnection after sending a successful response to an HTTP/1 CONNECT\nrequest. A remote attacker could possibly use this issue to perform HTTP\nrequest smuggling attacks. (CVE-2026-94439)\n\nIt was discovered that Go did not enforce memory limits on the first line\nof a part when parsing multipart forms. A remote attacker could possibly\nuse this issue to cause Go to use excessive resources, leading to a denial\nof service. (CVE-2026-94440)","status":"published","published":"2026-10-19T11:40:22Z","modified":"2026-10-19T23:43:23.579990891Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}