{"id":"CVE-2026-5773","aliases":["ALPINE-CVE-2026-5773","BELL-CVE-2026-5773","CLSA-2026-1779098432","CLSA-2026-1779357116","CLSA-2026-1779357393","CLSA-2026-1779357606","CLSA-2026-1779357790","CLSA-2026-1779357791","CLSA-2026-1779358008","CLSA-2026-1779358120","CLSA-2026-1779358660","CURL-CVE-2026-5773","DEBIAN-CVE-2026-5773","EUVD-2026-29924","GHSA-rp9q-8q5w-ch44","JLSEC-2026-1205","OESA-2026-2451","OESA-2026-2452","OESA-2026-2453","OESA-2026-2454","OESA-2026-2477","RHSA-2026:12916","ROOT-OS-ALPINE-315-CVE-2026-5773","ROOT-OS-ALPINE-317-CVE-2026-5773","ROOT-OS-ALPINE-320-CVE-2026-5773","ROOT-OS-ALPINE-321-CVE-2026-5773","ROOT-OS-ALPINE-322-CVE-2026-5773","ROOT-OS-DEBIAN-11-CVE-2026-5773","ROOT-OS-DEBIAN-12-CVE-2026-5773","ROOT-OS-DEBIAN-13-CVE-2026-5773","SUSE-SU-2026:23350-1","SUSE-SU-2026:23361-1","SUSE-SU-2026:23498-1","SUSE-SU-2026:23638-1","SUSE-SU-2026:2703-1","SUSE-SU-2026:3798-1","SUSE-SU-2026:3958-1","SUSE-SU-2026:4047-1","UBUNTU-CVE-2026-5773","openSUSE-SU-2026:10674-1","openSUSE-SU-2026:21774-1"],"status":"published","title":"wrong reuse of SMB connection","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00618,"percentile":0.49916,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-488","CWE-918"],"published":"2026-04-29T08:00:00Z","modified":"2026-11-04T17:15:24Z","fixes":[{"ecosystem":"Alpine:v3.21","package":"curl","fixed_in":["8.14.1-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"curl","fixed_in":["8.14.1-r4"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"curl","fixed_in":["8.20.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"curl","fixed_in":["8.20.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:23","package":"curl","fixed_in":["8.20.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"curl","fixed_in":["8.20.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"curl","fixed_in":["8.20.0-r0"],"sources":["osv"]},{"ecosystem":"BellSoft 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971","tags":["report"]},{"url":"https://bugzilla.suse.com/1268412","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5773","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-7168","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-8926","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623361-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623498-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1277476","tags":["report"]},{"url":"https://bugzilla.suse.com/1277479","tags":["report"]},{"url":"https://bugzilla.suse.com/1277480","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-13608","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-80229","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-80230","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623638-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262703-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1262631","tags":["report"]},{"url":"https://bugzilla.suse.com/1262632","tags":["report"]},{"url":"https://bugzilla.suse.com/1262635","tags":["report"]},{"url":"https://bugzilla.suse.com/1262636","tags":["report"]},{"url":"https://bugzilla.suse.com/1262638","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-4873","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5545","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6253","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6276","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6429","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263798-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263958-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264047-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-5773","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8227-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-8525-1","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-5773","title":"wrong reuse of SMB connection","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-05-13T08:27:42.342Z","modified":"2026-09-15T06:03:00.894Z","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-488"],"updated_at":"2026-11-02T13:39:39.001586Z"}],"euvd":[{"id":"EUVD-2026-29924","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-05-13T08:27:42Z","modified":"2026-09-15T06:03:00Z","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":"2026-11-02T17:28:19.01786Z"}],"ghsa":[{"id":"GHSA-rp9q-8q5w-ch44","title":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl...","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different 'share' than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-05-13T18:30:52Z","modified":"2026-09-15T09:31:29Z","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-488","CWE-918"],"updated_at":"2026-11-02T15:11:53.5286Z"}],"nvd":[{"id":"CVE-2026-5773","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-05-13T13:01:56.307Z","modified":"2026-09-15T07:16:28.82Z","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":"primary"},{"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-488","CWE-918"],"updated_at":"2026-11-02T14:12:19.020465Z"}],"osv":[{"id":"ALPINE-CVE-2026-5773","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-05-13T13:01:56.307Z","modified":"2026-10-18T12:30:02.955213455Z","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":"2026-11-02T15:27:50.764331Z"},{"id":"BELL-CVE-2026-5773","status":"published","published":"2026-05-01T06:09:38.699672Z","modified":"2026-05-15T07:19:38.391394Z","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":"2026-11-02T15:28:24.657778Z"},{"id":"CVE-2026-5773","title":"wrong reuse of SMB connection","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-05-13T08:27:42.342Z","modified":"2026-10-28T11:18:02.425813045Z","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-488"],"updated_at":"2026-11-02T15:45:12.016252Z"},{"id":"DEBIAN-CVE-2026-5773","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S) transfers.  libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid overhead.  When reusing a connection a range of criteria must be met. Due to a logical error in the code, a network transfer operation that was requested by an application could wrongfully reuse an existing SMB connection to the same server that was using a different \"share\" than the new subsequent transfer should.  This could in unlucky situations lead to the download of the wrong file or the upload of a file to the wrong place. When this happens, the same credentials are used and the server name is the same.","status":"published","published":"2026-05-13T13:01:56.307Z","modified":"2026-10-01T03:03:27.616451299Z","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":"2026-11-02T15:45:57.590991Z"},{"id":"JLSEC-2026-1205","title":"libcurl might in some circumstances reuse the wrong connection for SMB(S) transfers. libcurl...","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different 'share' than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-08-07T20:11:58.984Z","modified":"2026-08-07T20:28:41.036286953Z","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":"2026-11-02T15:47:18.159338Z"},{"id":"OESA-2026-2451","title":"curl security update","description":"cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.\r\n\r\nSecurity Fix(es):\n\nA vulnerability exists where a connection requiring TLS incorrectly reuses an\nexisting unencrypted connection from the same connection pool. If an initial\ntransfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request\nto that same host bypasses the TLS requirement and instead transmit data\nunencrypted.(CVE-2026-4873)\n\nlibcurl might in some circumstances reuse the wrong connection when asked to\ndo an authenticated HTTP(S) request after a Negotiate-authenticated one, when\nboth use the same host.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials.\n\nAn application that first uses Negotiate authentication to a server with\n`user1:password1` and then does another operation to the same server asking\nfor any authentication method but for `user2:password2` (while the previous\nconnection is still alive) - the second request gets confused and wrongly\nreuses the same connection and sends the new request over that connection\nthinking it uses a mix of user1\u0026apos;s and user2\u0026apos;s credentials when it is in fact\nstill using the connection authenticated for user1...(CVE-2026-5545)\n\nlibcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \u0026apos;share\u0026apos; than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.(CVE-2026-5773)\n\ncurl might erroneously pass on credentials for a first proxy to a second\nproxy.\n\nThis can happen when the following conditions are true:\n\n1. curl is setup to use specific different proxies for different URL schemes\n2. the first proxy needs credentials\n3. the second proxy uses no credentials\n4. while using the first proxy (using say `http://`), curl is asked to follow\n   a redirect to a URL using another scheme (say `https://`), accessed using a\n   second, different, proxy(CVE-2026-6253)\n\nUsing libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them.(CVE-2026-6276)\n\nWhen asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.(CVE-2026-6429)\n\nSuccessfully using libcurl to do a transfer over a specific HTTP proxy\n(`proxyA`) with **Digest** authentication and then changing the proxy host to\na second one (`proxyB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Proxy-Authorization:` header field meant for\n`proxyA`, to `proxyB`.(CVE-2026-7168)","status":"published","published":"2026-05-22T11:11:24Z","modified":"2026-08-18T01:19:59.385572992Z","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":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2452","title":"curl security update","description":"cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.\r\n\r\nSecurity Fix(es):\n\nA vulnerability exists where a connection requiring TLS incorrectly reuses an\nexisting unencrypted connection from the same connection pool. If an initial\ntransfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request\nto that same host bypasses the TLS requirement and instead transmit data\nunencrypted.(CVE-2026-4873)\n\nlibcurl might in some circumstances reuse the wrong connection when asked to\ndo an authenticated HTTP(S) request after a Negotiate-authenticated one, when\nboth use the same host.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials.\n\nAn application that first uses Negotiate authentication to a server with\n`user1:password1` and then does another operation to the same server asking\nfor any authentication method but for `user2:password2` (while the previous\nconnection is still alive) - the second request gets confused and wrongly\nreuses the same connection and sends the new request over that connection\nthinking it uses a mix of user1\u0026apos;s and user2\u0026apos;s credentials when it is in fact\nstill using the connection authenticated for user1...(CVE-2026-5545)\n\nlibcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \u0026apos;share\u0026apos; than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.(CVE-2026-5773)\n\ncurl might erroneously pass on credentials for a first proxy to a second\nproxy.\n\nThis can happen when the following conditions are true:\n\n1. curl is setup to use specific different proxies for different URL schemes\n2. the first proxy needs credentials\n3. the second proxy uses no credentials\n4. while using the first proxy (using say `http://`), curl is asked to follow\n   a redirect to a URL using another scheme (say `https://`), accessed using a\n   second, different, proxy(CVE-2026-6253)\n\nUsing libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them.(CVE-2026-6276)\n\nWhen asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.(CVE-2026-6429)\n\nSuccessfully using libcurl to do a transfer over a specific HTTP proxy\n(`proxyA`) with **Digest** authentication and then changing the proxy host to\na second one (`proxyB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Proxy-Authorization:` header field meant for\n`proxyA`, to `proxyB`.(CVE-2026-7168)","status":"published","published":"2026-05-22T11:11:24Z","modified":"2026-08-18T01:20:00.173223473Z","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":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2453","title":"curl security update","description":"cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.\r\n\r\nSecurity Fix(es):\n\nA vulnerability exists where a connection requiring TLS incorrectly reuses an\nexisting unencrypted connection from the same connection pool. If an initial\ntransfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request\nto that same host bypasses the TLS requirement and instead transmit data\nunencrypted.(CVE-2026-4873)\n\nlibcurl might in some circumstances reuse the wrong connection when asked to\ndo an authenticated HTTP(S) request after a Negotiate-authenticated one, when\nboth use the same host.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials.\n\nAn application that first uses Negotiate authentication to a server with\n`user1:password1` and then does another operation to the same server asking\nfor any authentication method but for `user2:password2` (while the previous\nconnection is still alive) - the second request gets confused and wrongly\nreuses the same connection and sends the new request over that connection\nthinking it uses a mix of user1\u0026apos;s and user2\u0026apos;s credentials when it is in fact\nstill using the connection authenticated for user1...(CVE-2026-5545)\n\nlibcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \u0026apos;share\u0026apos; than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.(CVE-2026-5773)\n\ncurl might erroneously pass on credentials for a first proxy to a second\nproxy.\n\nThis can happen when the following conditions are true:\n\n1. curl is setup to use specific different proxies for different URL schemes\n2. the first proxy needs credentials\n3. the second proxy uses no credentials\n4. while using the first proxy (using say `http://`), curl is asked to follow\n   a redirect to a URL using another scheme (say `https://`), accessed using a\n   second, different, proxy(CVE-2026-6253)\n\nUsing libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them.(CVE-2026-6276)\n\nWhen asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.(CVE-2026-6429)\n\nSuccessfully using libcurl to do a transfer over a specific HTTP proxy\n(`proxyA`) with **Digest** authentication and then changing the proxy host to\na second one (`proxyB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Proxy-Authorization:` header field meant for\n`proxyA`, to `proxyB`.(CVE-2026-7168)","status":"published","published":"2026-05-22T11:11:24Z","modified":"2026-08-18T01:20:00.167468481Z","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":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2454","title":"curl security update","description":"cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.\r\n\r\nSecurity Fix(es):\n\nA vulnerability exists where a connection requiring TLS incorrectly reuses an\nexisting unencrypted connection from the same connection pool. If an initial\ntransfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request\nto that same host bypasses the TLS requirement and instead transmit data\nunencrypted.(CVE-2026-4873)\n\nlibcurl might in some circumstances reuse the wrong connection when asked to\ndo an authenticated HTTP(S) request after a Negotiate-authenticated one, when\nboth use the same host.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials.\n\nAn application that first uses Negotiate authentication to a server with\n`user1:password1` and then does another operation to the same server asking\nfor any authentication method but for `user2:password2` (while the previous\nconnection is still alive) - the second request gets confused and wrongly\nreuses the same connection and sends the new request over that connection\nthinking it uses a mix of user1\u0026apos;s and user2\u0026apos;s credentials when it is in fact\nstill using the connection authenticated for user1...(CVE-2026-5545)\n\nlibcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \u0026apos;share\u0026apos; than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.(CVE-2026-5773)\n\ncurl might erroneously pass on credentials for a first proxy to a second\nproxy.\n\nThis can happen when the following conditions are true:\n\n1. curl is setup to use specific different proxies for different URL schemes\n2. the first proxy needs credentials\n3. the second proxy uses no credentials\n4. while using the first proxy (using say `http://`), curl is asked to follow\n   a redirect to a URL using another scheme (say `https://`), accessed using a\n   second, different, proxy(CVE-2026-6253)\n\nUsing libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them.(CVE-2026-6276)\n\nWhen asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.(CVE-2026-6429)\n\nSuccessfully using libcurl to do a transfer over a specific HTTP proxy\n(`proxyA`) with **Digest** authentication and then changing the proxy host to\na second one (`proxyB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Proxy-Authorization:` header field meant for\n`proxyA`, to `proxyB`.(CVE-2026-7168)","status":"published","published":"2026-05-22T11:11:24Z","modified":"2026-08-18T01:20:00.207520282Z","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":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2477","title":"curl security update","description":"cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.\r\n\r\nSecurity Fix(es):\n\nA vulnerability exists where a connection requiring TLS incorrectly reuses an\nexisting unencrypted connection from the same connection pool. If an initial\ntransfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request\nto that same host bypasses the TLS requirement and instead transmit data\nunencrypted.(CVE-2026-4873)\n\nlibcurl might in some circumstances reuse the wrong connection when asked to\ndo an authenticated HTTP(S) request after a Negotiate-authenticated one, when\nboth use the same host.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials.\n\nAn application that first uses Negotiate authentication to a server with\n`user1:password1` and then does another operation to the same server asking\nfor any authentication method but for `user2:password2` (while the previous\nconnection is still alive) - the second request gets confused and wrongly\nreuses the same connection and sends the new request over that connection\nthinking it uses a mix of user1\u0026apos;s and user2\u0026apos;s credentials when it is in fact\nstill using the connection authenticated for user1...(CVE-2026-5545)\n\nlibcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \u0026apos;share\u0026apos; than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.(CVE-2026-5773)\n\ncurl might erroneously pass on credentials for a first proxy to a second\nproxy.\n\nThis can happen when the following conditions are true:\n\n1. curl is setup to use specific different proxies for different URL schemes\n2. the first proxy needs credentials\n3. the second proxy uses no credentials\n4. while using the first proxy (using say `http://`), curl is asked to follow\n   a redirect to a URL using another scheme (say `https://`), accessed using a\n   second, different, proxy(CVE-2026-6253)\n\nUsing libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them.(CVE-2026-6276)\n\nWhen asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.(CVE-2026-6429)\n\nSuccessfully using libcurl to do a transfer over a specific HTTP proxy\n(`proxyA`) with **Digest** authentication and then changing the proxy host to\na second one (`proxyB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Proxy-Authorization:` header field meant for\n`proxyA`, to `proxyB`.(CVE-2026-7168)","status":"published","published":"2026-05-29T11:11:26Z","modified":"2026-08-18T01:20:00.949425098Z","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":"2026-11-02T15:52:46.449097Z"},{"id":"RHSA-2026:12916","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-05-03T10:03:35Z","modified":"2026-10-15T10:12:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"ROOT-OS-ALPINE-315-CVE-2026-5773","title":"CVE-2026-5773 in curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the curl package for Root:Alpine:3.15. Multiple fixed versions available.","status":"published","published":"2026-11-04T10:54:49Z","modified":"2026-11-04T11:15:06.119354525Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-04T11:38:21.953745Z"},{"id":"ROOT-OS-ALPINE-317-CVE-2026-5773","title":"CVE-2026-5773 in curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the curl package for Root:Alpine:3.17. Multiple fixed versions available.","status":"published","published":"2026-11-04T16:15:55Z","modified":"2026-11-04T17:15:24.768744573Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-04T17:43:22.558805Z"},{"id":"ROOT-OS-ALPINE-320-CVE-2026-5773","title":"CVE-2026-5773 in curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the curl package for Root:Alpine:3.20. Multiple fixed versions available.","status":"published","published":"2026-09-29T09:40:45Z","modified":"2026-09-29T10:15:41.045895336Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:28.544053Z"},{"id":"ROOT-OS-ALPINE-321-CVE-2026-5773","title":"CVE-2026-5773 in curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the curl package for Root:Alpine:3.21. Multiple fixed versions available.","status":"published","published":"2026-10-07T06:27:29Z","modified":"2026-10-07T07:15:05.419995354Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:28.544053Z"},{"id":"ROOT-OS-ALPINE-322-CVE-2026-5773","title":"CVE-2026-5773 in curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the curl package for Root:Alpine:3.22. Multiple fixed versions available.","status":"published","published":"2026-09-29T09:36:08Z","modified":"2026-09-29T10:15:13.812630351Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:28.544053Z"},{"id":"ROOT-OS-DEBIAN-11-CVE-2026-5773","title":"CVE-2026-5773 in curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the curl package for Root:Debian:11. Multiple fixed versions available.","status":"published","published":"2026-08-20T12:49:54Z","modified":"2026-08-20T13:30:03.690587219Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:30.44348Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-5773","title":"CVE-2026-5773 in rootio-curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the rootio-curl package for Root:Debian:12. Multiple fixed versions available.","status":"published","published":"2026-07-09T08:22:17Z","modified":"2026-07-28T19:37:44.896567229Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:32.570806Z"},{"id":"ROOT-OS-DEBIAN-13-CVE-2026-5773","title":"CVE-2026-5773 in rootio-curl - Patched by Root","description":"Root has patched CVE-2026-5773 in the rootio-curl package for Root:Debian:13. Multiple fixed versions available.","status":"withdrawn","published":"2026-07-10T15:43:44Z","modified":"2026-07-13T14:00:22.575836418Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:33.681527Z"},{"id":"UBUNTU-CVE-2026-5773","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S) transfers. libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid overhead. When reusing a connection a range of criteria must be met. Due to a logical error in the code, a network transfer operation that was requested by an application could wrongfully reuse an existing SMB connection to the same server that was using a different \"share\" than the new subsequent transfer should. This could in unlucky situations lead to the download of the wrong file or the upload of a file to the wrong place. When this happens, the same credentials are used and the server name is the same.","status":"published","published":"2026-04-29T14:00:00Z","modified":"2026-09-24T02:00:30.655270525Z","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"},{"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":"2026-11-02T16:56:41.911783Z"},{"id":"CLSA-2026-1779098432","title":"Fix CVE(s): CVE-2026-5773","description":"   * SECURITY UPDATE: wrong SMB connection reused due to missing share comparison\n     - debian/patches/CVE-2026-5773.patch: disable connection reuse for SMB(S)\n       by replacing connkeep with connclose in smb_connect (lib/smb.c)\n     - CVE-2026-5773","status":"published","published":"2026-05-18T10:00:37Z","modified":"2026-06-04T10:04:10.04826Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779357116","title":"curl: Fix of CVE-2026-5773","description":"- CVE-2026-5773: disable connection reuse for SMB(S) to prevent libcurl from\n  reusing a connection to the same server for a different SMB share","status":"published","published":"2026-05-21T09:52:01Z","modified":"2026-06-01T00:33:13.426847675Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779357393","title":"curl: Fix of CVE-2026-5773","description":"- CVE-2026-5773: disable connection reuse for SMB(S) to prevent libcurl from\n  reusing a connection to the same server for a different SMB share","status":"published","published":"2026-05-21T09:56:37Z","modified":"2026-06-01T00:33:15.174474385Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779357606","title":"curl: Fix of CVE-2026-5773","description":"- CVE-2026-5773: disable connection reuse for SMB(S) to prevent libcurl from\n  reusing a connection to the same server for a different SMB share","status":"published","published":"2026-05-21T10:00:10Z","modified":"2026-06-01T00:33:24.081875745Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779357790","title":"curl: Fix of 2 CVEs","description":"- CVE-2026-5773: wrong reuse of SMB connection; disable connection reuse for\n  SMB(S) so a subsequent transfer cannot wrongfully reuse a pooled connection\n  to a different share\n- CVE-2026-6276: clear stale custom-Host cookiehost between requests on the\n  same easy handle (cookie leak across origins)","status":"published","published":"2026-05-21T14:36:58Z","modified":"2026-06-01T00:32:54.063124093Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779357791","title":"Fix CVE(s): CVE-2026-5773","description":"   * SECURITY UPDATE: libcurl may reuse the wrong connection for SMB(S)\n     transfers, leading to access of an unintended SMB share with the\n     same credentials.\n     - debian/patches/CVE-2026-5773.patch: disable connection reuse for\n       SMB(S) in lib/url.c by returning early from ConnectionExists() when\n       the requested protocol is SMB or SMBS.\n     - CVE-2026-5773","status":"published","published":"2026-05-21T10:03:16Z","modified":"2026-06-04T10:04:24.156103Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779358008","title":"Fix CVE(s): CVE-2026-5773","description":"   * SECURITY UPDATE: libcurl may reuse the wrong connection for SMB(S)\n     transfers, leading to access of an unintended SMB share with the\n     same credentials.\n     - debian/patches/CVE-2026-5773.patch: disable connection reuse for\n       SMB(S) in lib/url.c by returning early from ConnectionExists() when\n       the requested protocol is SMB or SMBS.\n     - CVE-2026-5773\n   * test46-bump-cookie-expiry.patch: bump the hard-coded cookie expiry\n     timestamp in tests/data/test46 from 2025-02-10 to 2099-01-01 so the\n     cookie-jar test no longer fails on systems whose wall clock has\n     advanced past February 2025.","status":"published","published":"2026-05-21T10:06:53Z","modified":"2026-06-04T10:03:32.786595Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779358120","title":"Fix CVE(s): CVE-2026-5773","description":"   * SECURITY UPDATE: wrong reuse of SMB connection\n     - debian/patches/CVE-2026-5773.patch: disable connection reuse for\n       SMB(S) in lib/smb.c.\n     - CVE-2026-5773","status":"published","published":"2026-05-21T10:08:45Z","modified":"2026-06-04T10:04:14.643454Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1779358660","title":"curl: Fix of 2 CVEs","description":"- CVE-2026-5773: wrong reuse of SMB connection; disable connection reuse for\n  SMB(S) so a subsequent transfer cannot wrongfully reuse a pooled connection\n  to a different share\n- CVE-2026-6276: clear stale custom-Host cookiehost between requests on the\n  same easy handle (cookie leak across origins)","status":"published","published":"2026-05-21T14:43:49Z","modified":"2026-06-01T00:32:34.257817755Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CURL-CVE-2026-5773","title":"wrong reuse of SMB connection","description":"libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happens, the same credentials\nare used and the server name is the same.","status":"published","published":"2026-04-29T08:00:00Z","modified":"2026-10-25T01:05:22.922347197Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"openSUSE-SU-2026:10674-1","title":"curl-8.20.0-1.1 on GA media","description":"These are all security issues fixed in the curl-8.20.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-05-04T00:00:00Z","modified":"2026-05-05T07:46:40.778646Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:21774-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n- CVE-2026-13608: OpenLDAP SASL authentication bypass (bsc#1277476).\n- CVE-2026-80229: OpenSSL provider use-after-free (bsc#1277479).\n- CVE-2026-80230: OpenSSL pinning bypass (bsc#1277480).\n","status":"published","published":"2026-09-06T16:56:18Z","modified":"2026-09-09T18:23:14.977934943Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:23350-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n\nChanges for curl:\n\n- Call http_size() first to prioritize Transfer-Encoding: chunked over a zero\n Content-Length empty body check (bsc#1264971)\n","status":"published","published":"2026-08-26T15:33:27Z","modified":"2026-09-10T18:23:12.496266156Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"SUSE-SU-2026:23361-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n\nChanges for curl:\n\n- Call http_size() first to prioritize Transfer-Encoding: chunked over a zero\n Content-Length empty body check (bsc#1264971)\n","status":"published","published":"2026-08-26T15:41:27Z","modified":"2026-09-10T18:23:12.594530711Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"SUSE-SU-2026:23498-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n- CVE-2026-13608: OpenLDAP SASL authentication bypass (bsc#1277476).\n- CVE-2026-80229: OpenSSL provider use-after-free (bsc#1277479).\n- CVE-2026-80230: OpenSSL pinning bypass (bsc#1277480).\n","status":"published","published":"2026-09-06T16:57:12Z","modified":"2026-09-14T18:23:13.86762477Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:23638-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n- CVE-2026-13608: OpenLDAP SASL authentication bypass (bsc#1277476).\n- CVE-2026-80229: OpenSSL provider use-after-free (bsc#1277479).\n- CVE-2026-80230: OpenSSL pinning bypass (bsc#1277480).\n","status":"published","published":"2026-09-06T16:57:12Z","modified":"2026-09-29T18:23:10.493555771Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:2703-1","title":"Security update for curl","description":"This update for curl fixes the following issues\n\n- CVE-2026-4873: connection reuse ignores TLS requirement (bsc#1262631).\n- CVE-2026-5545: wrong reuse of HTTP Negotiate connection (bsc#1262632).\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-6253: proxy credentials leak over redirect-to proxy (bsc#1262635).\n- CVE-2026-6276: stale custom cookie host causes cookie leak (bsc#1262636).\n- CVE-2026-6429: netrc credential leak with reused proxy connection (bsc#1262638).\n","status":"published","published":"2026-06-30T10:27:48Z","modified":"2026-07-01T09:45:07.290337429Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:3798-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5545: wrong reuse of HTTP Negotiate connection (bsc#1262632).\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-6253: proxy credentials leak over redirect-to proxy (bsc#1262635).\n- CVE-2026-6276: stale custom cookie host causes cookie leak (bsc#1262636).\n- CVE-2026-6429: netrc credential leak with reused proxy connection (bsc#1262638).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n","status":"published","published":"2026-08-25T12:41:04Z","modified":"2026-08-27T11:01:49.76472582Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3958-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n- CVE-2026-13608: flow in OpenLDAP SASL negotiation can cause an authentication bypass (bsc#1277476).\n- CVE-2026-80229: premature free can lead to OpenSSL provider use-after-free (bsc#1277479).\n- CVE-2026-80230: OpenSSL pinning bypass can allow unauthenticated connections to succeed (bsc#1277480).\n\nChanges for curl:\n\n- Call http_size() first to prioritize Transfer-Encoding: chunked over a zero\n Content-Length empty body check (bsc#1264971)\n","status":"published","published":"2026-09-03T13:32:12Z","modified":"2026-09-13T18:23:12.410814638Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:4047-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).\n- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).\n- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).\n- CVE-2026-13608: flow in OpenLDAP SASL negotiation can cause an authentication bypass (bsc#1277476).\n- CVE-2026-80229: premature free can lead to OpenSSL provider use-after-free (bsc#1277479).\n- CVE-2026-80230: OpenSSL pinning bypass can allow unauthenticated connections to succeed (bsc#1277480).\n\nChanges for curl:\n\n- Call http_size() first to prioritize Transfer-Encoding: chunked over a zero\n Content-Length empty body check (bsc#1264971)\n","status":"published","published":"2026-09-07T13:53:51Z","modified":"2026-09-13T18:23:18.224672627Z","updated_at":"2026-11-02T15:54:05.392906Z"}]}}