{"id":"CVE-2026-12547","aliases":["AZL-93237","DEBIAN-CVE-2026-12547","EUVD-2026-46361","GHSA-gmf9-8jmv-v2q8","OESA-2026-4388","OESA-2026-4389","OESA-2026-4390","OESA-2026-4391","SUSE-SU-2026:24368-1","SUSE-SU-2026:24470-1","SUSE-SU-2026:4557-1","SUSE-SU-2026:4558-1","SUSE-SU-2026:4690-1","SUSE-SU-2026:4703-1","SUSE-SU-2026:4739-1","UBUNTU-CVE-2026-12547","USN-8975-1","openSUSE-SU-2026:12084-1","openSUSE-SU-2026:12365-1","openSUSE-SU-2026:22181-1"],"status":"published","title":"Libsoup: information disclosure in libsoup via soupauthmanager proxy credential leak on proxy switch","description":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","severity":{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00228,"percentile":0.13647,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-201"],"published":"2026-07-21T18:35:53Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"openEuler:22.03-LTS-SP4","package":"libsoup","fixed_in":["2.74.2-25.oe2203sp4"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libsoup2.4","fixed_in":["2.52.2-1ubuntu0.3+esm9"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libsoup2.4","fixed_in":["2.62.1-1ubuntu0.4+esm10"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"libsoup2.4","fixed_in":["2.70.0-1ubuntu0.5+esm5"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"libsoup2.4","fixed_in":["2.74.2-3ubuntu0.10"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"libsoup3","fixed_in":["3.0.7-0ubuntu1+esm10"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"libsoup2.4","fixed_in":["2.74.3-6ubuntu1.10"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"libsoup3","fixed_in":["3.4.4-5ubuntu0.10"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.10","package":"libsoup3","fixed_in":["3.6.6-1ubuntu3.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"libsoup3","fixed_in":["3.6.6-1ubuntu0.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:26.04:LTS","package":"libsoup2.4","fixed_in":["2.74.3-10.1ubuntu5+esm4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure 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s://ubuntu.com/security/CVE-2026-102557","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-102558","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-102559","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-102560","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-103399","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15709","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-3099","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-3633","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-66337","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-12547","title":"Libsoup: 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When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","status":"published","published":"2026-07-21T18:35:53.214Z","modified":"2026-11-06T17:57:54.406Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-201"],"updated_at":"2026-11-06T18:59:08.498645Z"}],"euvd":[{"id":"EUVD-2026-46361","description":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","status":"published","published":"2026-07-21T18:35:53Z","modified":"2026-11-06T17:57:54Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-06T19:05:52.672747Z"}],"ghsa":[{"id":"GHSA-gmf9-8jmv-v2q8","title":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy...","description":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","status":"published","published":"2026-07-21T21:32:38Z","modified":"2026-07-21T21:32:46Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T15:09:38.133598Z"}],"nvd":[{"id":"CVE-2026-12547","description":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","status":"published","published":"2026-07-21T19:17:09.303Z","modified":"2026-11-06T18:18:06.5Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-201"],"updated_at":"2026-11-06T20:01:12.716992Z"}],"osv":[{"id":"DEBIAN-CVE-2026-12547","description":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","status":"published","published":"2026-07-21T19:17:09.303Z","modified":"2026-11-07T09:47:26.276192075Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-07T10:14:39.995311Z"},{"id":"OESA-2026-4388","title":"libsoup security update","description":"libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications.\r\n\r\nSecurity Fix(es):\n\nSoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.(CVE-2026-12547)","status":"published","published":"2026-10-16T12:00:04Z","modified":"2026-10-16T12:15:14.602936385Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4389","title":"libsoup security update","description":"libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications.\r\n\r\nSecurity Fix(es):\n\nSoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.(CVE-2026-12547)\n\nA flaw was found in libsoup. An unsigned integer underflow in the soup_filter_input_stream_read_until() function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client application to crash or disclose sensitive heap memory.(CVE-2026-66337)","status":"published","published":"2026-10-16T12:00:05Z","modified":"2026-10-16T12:15:14.600631057Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4390","title":"libsoup security update","description":"libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications.\r\n\r\nSecurity Fix(es):\n\nSoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.(CVE-2026-12547)\n\nA flaw was found in libsoup. An unsigned integer underflow in the soup_filter_input_stream_read_until() function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client application to crash or disclose sensitive heap memory.(CVE-2026-66337)","status":"published","published":"2026-10-16T12:00:05Z","modified":"2026-10-16T12:15:14.491496638Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4391","title":"libsoup security update","description":"libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications.\r\n\r\nSecurity Fix(es):\n\nSoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.(CVE-2026-12547)\n\nA flaw was found in libsoup. An unsigned integer underflow in the soup_filter_input_stream_read_until() function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client application to crash or disclose sensitive heap memory.(CVE-2026-66337)\n\nA flaw was found in libsoup. The chunked transfer encoding parser uses a permissive parsing function for chunk sizes that silently accepts inputs violating RFC 9112, including leading whitespace, plus sign prefixes, and trailing invalid characters. When libsoup operates behind a strict frontend proxy, this parsing differential can be exploited to smuggle HTTP requests.(CVE-2026-66338)","status":"published","published":"2026-10-16T12:00:06Z","modified":"2026-10-16T12:15:13.689534088Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"UBUNTU-CVE-2026-12547","description":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","status":"published","published":"2026-07-21T19:17:00Z","modified":"2026-11-04T03:30:20.557330416Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-04T03:56:39.110241Z"},{"id":"AZL-93237","title":"CVE-2026-12547 affecting package libsoup 3.4.4-18","description":"SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.","status":"published","published":"2026-07-21T19:17:09Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:25.880689Z"},{"id":"openSUSE-SU-2026:12084-1","title":"libsoup-2_4-1-2.74.3-24.1 on GA media","description":"These are all security issues fixed in the libsoup-2_4-1-2.74.3-24.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-08T00:00:00Z","modified":"2026-10-09T17:23:13.819472723Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"openSUSE-SU-2026:12365-1","title":"libsoup-3_0-0-3.8.1-1.1 on GA media","description":"These are all security issues fixed in the libsoup-3_0-0-3.8.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-30T00:00:00Z","modified":"2026-10-31T18:00:03.938535156Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"openSUSE-SU-2026:22181-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12547: Header \"Proxy-Authorization\" leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation (bsc#1272196).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers\n  via an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-29T10:24:12Z","modified":"2026-10-31T18:00:09.296668455Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:24368-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12547: Header \"Proxy-Authorization\" leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation (bsc#1272196).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers\n  via an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-21T08:56:44Z","modified":"2026-10-27T17:23:18.80097485Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24470-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12547: Header \"Proxy-Authorization\" leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation (bsc#1272196).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers\n  via an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-29T10:24:20Z","modified":"2026-11-04T17:23:18.62343932Z","updated_at":"2026-11-04T17:43:22.558805Z"},{"id":"SUSE-SU-2026:4557-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401).\n- CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via\n  an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n","status":"published","published":"2026-10-07T08:50:59Z","modified":"2026-10-08T19:15:05.003072023Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4558-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401).\n- CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via\n  an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n","status":"published","published":"2026-10-07T08:51:33Z","modified":"2026-10-08T19:15:03.7279804Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4690-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401).\n- CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via\n  an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-16T08:41:55Z","modified":"2026-10-17T10:00:05.096101754Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4703-1","title":"Security update for libsoup2","description":"This update for libsoup2 fixes the following issues:\n\n- CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via\n  an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-77014: Integer truncation in sort_ranges() comparator causes silent omission of HTTP Range responses\n  (bsc#1275988).\n- CVE-2026-77680: quadratic CPU denial of service in HTTP Range coalescing after the CVE-2025-32907 fix (bsc#1276759).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-16T13:29:46Z","modified":"2026-10-17T10:00:04.12517112Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4739-1","title":"Security update for libsoup2","description":"This update for libsoup2 fixes the following issues:\n\n- CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via\n  an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-77014: Integer truncation in sort_ranges() comparator causes silent omission of HTTP Range responses\n  (bsc#1275988).\n- CVE-2026-77680: quadratic CPU denial of service in HTTP Range coalescing after the CVE-2025-32907 fix (bsc#1276759).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-19T12:59:37Z","modified":"2026-10-20T10:45:04.185304919Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"USN-8975-1","title":"libsoup2.4, libsoup3 vulnerabilities","description":"It was discovered that libsoup incorrectly handled certain WebSocket\nframes. A remote attacker could possibly use this issue to cause an\napplication to crash or expose sensitive information. This issue only\naffected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu\n26.10. (CVE-2026-12478)\n\nIt was discovered that libsoup incorrectly handled certain data URIs. A\nremote attacker could possibly use this issue to cause an application to\ncrash or expose sensitive information. This issue only affected Ubuntu\n22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10.\n(CVE-2026-102555)\n\nIt was discovered that libsoup incorrectly handled certain WebSocket\nmessages. A remote attacker could possibly use this issue to cause an\napplication to crash. This issue only affected Ubuntu 18.04 LTS, Ubuntu\n20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and\nUbuntu 26.10. (CVE-2026-102556)\n\nIt was discovered that libsoup incorrectly handled fragmented WebSocket\nmessages. A remote attacker could possibly use this issue to cause an\napplication to crash. (CVE-2026-102557)\n\nIt was discovered that libsoup incorrectly handled certain WebSocket\nframes. A remote attacker could possibly use this issue to cause an\napplication to crash. This issue only affected Ubuntu 18.04 LTS, Ubuntu\n20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and\nUbuntu 26.10. (CVE-2026-102558)\n\nIt was discovered that libsoup incorrectly handled large WebSocket\nmessages. An attacker could possibly use this issue to cause an\napplication to crash. (CVE-2026-102559)\n\nIt was discovered that libsoup incorrectly handled compressed WebSocket\nmessages. An attacker could possibly use this issue to cause an\napplication to crash. This issue only affected Ubuntu 20.04 LTS, Ubuntu\n22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10.\n(CVE-2026-102560)\n\nIt was discovered that libsoup did not properly handle certain HTTP\nrequests. A remote attacker could possibly use this issue to inject\narbitrary HTTP requests. (CVE-2026-103399)\n\nIt was discovered that libsoup incorrectly handled proxy credentials. A\nremote attacker could possibly use this issue to obtain sensitive\ninformation. (CVE-2026-12547)\n\nIt was discovered that libsoup incorrectly handled multipart messages. A\nremote attacker could possibly use this issue to cause an application to\ncrash or obtain sensitive information. (CVE-2026-12548)","status":"published","published":"2026-11-03T16:06:30Z","modified":"2026-11-04T03:43:15.637548273Z","updated_at":"2026-11-04T03:56:18.279609Z"}]}}