{"id":"CVE-2026-86409","aliases":["ALPINE-CVE-2026-86409","AZL-109914","AZL-109956","AZL-110010","AZL-110160","AZL-110256","AZL-110283","BELL-CVE-2026-86409","CURL-CVE-2026-86409","DEBIAN-CVE-2026-86409","EUVD-2026-105274","GHSA-57hx-469r-xq3r","MGASA-2026-0515","RHSA-2026:82895","ROOT-OS-ALPINE-315-CVE-2026-86409","ROOT-OS-ALPINE-321-CVE-2026-86409","ROOT-OS-DEBIAN-12-CVE-2026-86409","ROOT-OS-DEBIAN-13-CVE-2026-86409","SUSE-SU-2026:4954-1","SUSE-SU-2026:5068-1","SUSE-SU-2026:5069-1","SUSE-SU-2026:5071-1","UBUNTU-CVE-2026-86409","USN-8927-1","USN-8927-2","USN-8932-1","openSUSE-SU-2026:12150-1"],"status":"published","title":"stale SigV4 headers sent unintended","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.01096,"percentile":0.65814,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-201"],"published":"2026-10-14T06:00:00Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Alpine:v3.23","package":"curl","fixed_in":["8.23.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"curl","fixed_in":["8.23.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:23","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"BellSoft Hardened 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SigV4 headers sent unintended","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T19:57:01.794Z","modified":"2026-10-29T18:33:49.983Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-105274","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T19:57:01Z","modified":"2026-10-29T18:33:49Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:15.044173Z"}],"ghsa":[{"id":"GHSA-57hx-469r-xq3r","title":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to...","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T21:31:03Z","modified":"2026-10-29T21:31:13Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T15:14:40.528345Z"}],"nvd":[{"id":"CVE-2026-86409","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25.223Z","modified":"2026-10-29T19:17:27.08Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:13:01.161484Z"}],"osv":[{"id":"ALPINE-CVE-2026-86409","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25.223Z","modified":"2026-10-30T09:30:03.980484536Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:50.764331Z"},{"id":"BELL-CVE-2026-86409","status":"published","published":"2026-10-17T06:05:39.468072Z","modified":"2026-10-31T07:15:03.549733537Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:26.630331Z"},{"id":"DEBIAN-CVE-2026-86409","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication, contrary to expectations and documentation. A subsequent transfer on the same handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL isset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25.223Z","modified":"2026-10-30T10:00:31.068555344Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:05.022702Z"},{"id":"RHSA-2026:82895","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-10-15T10:28:47Z","modified":"2026-10-18T10:05:11Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"UBUNTU-CVE-2026-86409","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication, contrary to expectations and documentation. A subsequent transfer on the same handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL isset next, leaking state information.","status":"published","published":"2026-10-14T06:00:00Z","modified":"2026-10-31T03:30:14.059160189Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:57:24.828975Z"},{"id":"AZL-109914","title":"CVE-2026-86409 affecting package cmake 3.30.3-15","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:02.044071Z"},{"id":"AZL-109956","title":"CVE-2026-86409 affecting package curl 8.11.1-12","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:18.42484Z"},{"id":"AZL-110010","title":"CVE-2026-86409 affecting package mysql 8.0.46-2","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:02.044071Z"},{"id":"AZL-110160","title":"CVE-2026-86409 affecting package rust 1.75.0-31","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:02.044071Z"},{"id":"AZL-110256","title":"CVE-2026-86409 affecting package rust 1.96.1-2","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:02.044071Z"},{"id":"AZL-110283","title":"CVE-2026-86409 affecting package tensorflow 2.16.1-11","description":"Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nisset next, leaking state information.","status":"published","published":"2026-10-20T20:17:25Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:02.044071Z"},{"id":"CURL-CVE-2026-86409","title":"stale SigV4 headers sent unintended","description":"Setting `CURLOPT_AWS_SIGV4` to NULL does not disable SigV4 authentication,\ncontrary to expectations and documentation. A subsequent transfer on the same\nhandle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL\nis set next, leaking state information.","status":"published","published":"2026-10-14T08:00:00Z","modified":"2026-10-25T01:16:47.956837797Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"MGASA-2026-0515","title":"Updated curl package fixes security vulnerabilities","description":"curl 8.23.0 has been released. It fixes 24 CVEs since 8.22.0, listed at\nhttps://curl.se/docs/security.html\nNot all of theses CVEs affect Mageia. Of the ones fixed in 8.23.0, these\nare the ones that do:\nCVE-2026-86410: redirect to SFTP or SCP bypasses host verification\nCVE-2026-86412: server-set cookie erases cookie jar\nCVE-2026-86413: Negotiate credentials sent to redirected origin\nCVE-2026-86414: leaking host credentials to HTTP proxy\nCVE-2026-86415: auto client cert connection reuse mixup\nCVE-2026-87861: cross-origin reuse of a Negotiate connection\nCVE-2026-87862: HSTS cache import drops longer-lived child\nCVE-2026-87863: HSTS response erases persisted entries\nCVE-2026-92386: server-set cookie aborts cookie jar load\nCVE-2026-92387: never-ending loop via server response omission\nCVE-2026-92388: FTP wildcard write callback mixup\nCVE-2026-92389: TFTP direction confusion\nCVE-2026-92390: -J no-clobber guarantee bypassed with 103 early hints\nCVE-2026-92391: curl_mime_free stack overflow by recursion\nCVE-2026-92392: HTTP/2 upload Use-After-Free\nCVE-2026-94265: Authorization: Negotiate sent to foreign origin\nCVE-2026-94266: password leak in CURLINFO_EFFECTIVE_URL\nCVE-2026-107929: local interface connection reuse mixup\nThere were also some CVE IDs released at the same time that were fixed\nearlier, in 8.22.0, but just announced now:\nCVE-2026-86409: stale SigV4 headers sent unintended\nCVE-2026-86411: FTP connection reuse inherits client-certificate\nCVE-2026-87864: IMAP APPEND plus CRLF conversion command injection\nHere are the CVEs fixed in 8.22.0, which wasn't released in mga10 and so\nare only getting fixed now:\nCVE-2026-13608: OpenLDAP SASL authentication bypass\nCVE-2026-18924: HTTP/2 server push UAF\nCVE-2026-19931: Negotiate ambient user conn reuse\nCVE-2026-80229: OpenSSL provider use-after-free\nCVE-2026-80230: OpenSSL pinning bypass\nCVE-2026-80255: secure cookie attribute bypass with tab\nCVE-2026-82209: domain-scoped PSL domain cookie\n","status":"published","published":"2026-10-17T03:21:49Z","modified":"2026-10-17T03:43:01.411193688Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"openSUSE-SU-2026:12150-1","title":"curl-8.23.0-1.1 on GA media","description":"These are all security issues fixed in the curl-8.23.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-16T00:00:00Z","modified":"2026-10-17T10:00:05.085098051Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"ROOT-OS-ALPINE-315-CVE-2026-86409","title":"CVE-2026-86409 in curl - Patched by Root","description":"Root has patched CVE-2026-86409 in the curl package for Root:Alpine:3.15. Multiple fixed versions available.","status":"published","published":"2026-11-04T10:54:49Z","modified":"2026-11-04T11:15:03.985389825Z","updated_at":"2026-11-04T11:38:21.953745Z"},{"id":"ROOT-OS-ALPINE-321-CVE-2026-86409","title":"CVE-2026-86409 in curl - Patched by Root","description":"Root has patched CVE-2026-86409 in the curl package for Root:Alpine:3.21. Multiple fixed versions available.","status":"published","published":"2026-11-03T11:37:01Z","modified":"2026-11-03T12:15:05.754332653Z","updated_at":"2026-11-03T12:31:35.467775Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-86409","title":"CVE-2026-86409 in curl - Patched by Root","description":"Root has patched CVE-2026-86409 in the curl package for Root:Debian:12. Multiple fixed versions available.","status":"published","published":"2026-11-04T06:00:50Z","modified":"2026-11-04T07:15:09.095964412Z","updated_at":"2026-11-04T07:32:10.855619Z"},{"id":"ROOT-OS-DEBIAN-13-CVE-2026-86409","title":"CVE-2026-86409 in curl - Patched by Root","description":"Root has patched CVE-2026-86409 in the curl package for Root:Debian:13. Multiple fixed versions available.","status":"published","published":"2026-11-03T10:50:30Z","modified":"2026-11-03T11:15:05.164136379Z","updated_at":"2026-11-03T11:30:16.221977Z"},{"id":"SUSE-SU-2026:4954-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-8932: incomplete mTLS config matching in conn reuse (bsc#1268414).\n- CVE-2026-11856: cross-origin Digest auth state leak (bsc#1268426).\n- CVE-2026-18924: HTTP/2 server push UAF (bsc#1277477).\n- CVE-2026-19931: Negotiate ambient user conn reuse (bsc#1277478).\n- CVE-2026-80255: secure cookie attribute bypass with tab (bsc#1277482).\n- CVE-2026-82209: domain-scoped PSL domain cookie (bsc#1278173).\n- CVE-2026-86409: stale SigV4 headers sent unintended (bsc#1285031).\n- CVE-2026-86410: redirect to SFTP or SCP bypasses host verification (bsc#1285030).\n- CVE-2026-86414: leaking host credentials to HTTP proxy (bsc#1285026).\n- CVE-2026-87862: HSTS cache import drops longer-lived child (bsc#1285023).\n- CVE-2026-87863: HSTS response erases persisted entries (bsc#1285022).\n- CVE-2026-87864: IMAP APPEND plus CRLF conversion command injection (bsc#1285021).\n- CVE-2026-92386: server-set cookie aborts cookie jar load (bsc#1285018).\n- CVE-2026-92387: never-ending loop via server response omission (bsc#1285017).\n- CVE-2026-92388: FTP wildcard write callback mixup (bsc#1285016).\n- CVE-2026-92389: TFTP direction confusion (bsc#1285015).\n- CVE-2026-92390: -J no-clobber guarantee bypassed with 103 early hints (bsc#1285014).\n- CVE-2026-92391: curl_mime_free stack overflow by recursion (bsc#1285013).\n- CVE-2026-92392: HTTP/2 upload Use-After-Free (bsc#1285012).\n- CVE-2026-94266: password leak in CURLINFO_EFFECTIVE_URL (bsc#1285010).\n- CVE-2026-107929: local interface connection reuse mixup (bsc#1285008).\n","status":"published","published":"2026-10-30T16:20:13Z","modified":"2026-11-02T17:23:10.113104458Z","updated_at":"2026-11-02T18:00:32.560004Z"},{"id":"SUSE-SU-2026:5068-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-8932: incomplete mTLS config matching in conn reuse (bsc#1268414).\n- CVE-2026-9546: sending old referer (bsc#1268419).\n- CVE-2026-11352: QUIC zero-length UDP datagrams busy-loop (bsc#1268423).\n- CVE-2026-11564: Native CA trust persist (bsc#1268424).\n- CVE-2026-11586: WS Auto-PONG memory exhaustion (bsc#1268425).\n- CVE-2026-11856: cross-origin Digest auth state leak (bsc#1268426).\n- CVE-2026-12064: proto-default skips SSH verification (bsc#1268427).\n- CVE-2026-18924: HTTP/2 server push UAF (bsc#1277477).\n- CVE-2026-19931: Negotiate ambient user conn reuse (bsc#1277478).\n- CVE-2026-80255: secure cookie attribute bypass with tab (bsc#1277482).\n- CVE-2026-82209: domain-scoped PSL domain cookie (bsc#1278173).\n- CVE-2026-86409: stale SigV4 headers sent unintended (bsc#1285031).\n- CVE-2026-86410: redirect to SFTP or SCP bypasses host verification (bsc#1285030).\n- CVE-2026-86411: FTP connection reuse inherits client-certificate (bsc#1285029).\n- CVE-2026-86412: server-set cookie erases cookie jar (bsc#1285028).\n- CVE-2026-86413: Negotiate credentials sent to redirected origin (bsc#1285027).\n- CVE-2026-86414: leaking host credentials to HTTP proxy (bsc#1285026).\n- CVE-2026-87861: cross-origin reuse of a Negotiate connection (bsc#1285024).\n- CVE-2026-87862: HSTS cache import drops longer-lived child (bsc#1285023).\n- CVE-2026-87863: HSTS response erases persisted entries (bsc#1285022).\n- CVE-2026-87864: IMAP APPEND plus CRLF conversion command injection (bsc#1285021).\n- CVE-2026-92386: server-set cookie aborts cookie jar load (bsc#1285018).\n- CVE-2026-92387: never-ending loop via server response omission (bsc#1285017).\n- CVE-2026-92388: FTP wildcard write callback mixup (bsc#1285016).\n- CVE-2026-92389: TFTP direction confusion (bsc#1285015).\n- CVE-2026-92390: -J no-clobber guarantee bypassed with 103 early hints (bsc#1285014).\n- CVE-2026-92391: curl_mime_free stack overflow by recursion (bsc#1285013).\n- CVE-2026-92392: HTTP/2 upload Use-After-Free (bsc#1285012).\n- CVE-2026-94265: Authorization: Negotiate sent to foreign origin (bsc#1285011).\n- CVE-2026-94266: password leak in CURLINFO_EFFECTIVE_URL (bsc#1285010).\n- CVE-2026-107929: local interface connection reuse mixup (bsc#1285008).\n  \nChanges for curl:\n\n- Updated curl to version 8.22.0. (jsc#PED-16984)\n","status":"published","published":"2026-11-03T08:13:17Z","modified":"2026-11-03T22:45:04.218292646Z","updated_at":"2026-11-03T22:59:30.419462Z"},{"id":"SUSE-SU-2026:5069-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-8932: incomplete mTLS config matching in conn reuse (bsc#1268414).\n- CVE-2026-9546: sending old referer (bsc#1268419).\n- CVE-2026-11352: QUIC zero-length UDP datagrams busy-loop (bsc#1268423).\n- CVE-2026-11564: Native CA trust persist (bsc#1268424).\n- CVE-2026-11586: WS Auto-PONG memory exhaustion (bsc#1268425).\n- CVE-2026-11856: cross-origin Digest auth state leak (bsc#1268426).\n- CVE-2026-12064: proto-default skips SSH verification (bsc#1268427).\n- CVE-2026-18924: HTTP/2 server push UAF (bsc#1277477).\n- CVE-2026-19931: Negotiate ambient user conn reuse (bsc#1277478).\n- CVE-2026-80255: secure cookie attribute bypass with tab (bsc#1277482).\n- CVE-2026-82209: domain-scoped PSL domain cookie (bsc#1278173).\n- CVE-2026-86409: stale SigV4 headers sent unintended (bsc#1285031).\n- CVE-2026-86410: redirect to SFTP or SCP bypasses host verification (bsc#1285030).\n- CVE-2026-86411: FTP connection reuse inherits client-certificate (bsc#1285029).\n- CVE-2026-86412: server-set cookie erases cookie jar (bsc#1285028).\n- CVE-2026-86413: Negotiate credentials sent to redirected origin (bsc#1285027).\n- CVE-2026-86414: leaking host credentials to HTTP proxy (bsc#1285026).\n- CVE-2026-87861: cross-origin reuse of a Negotiate connection (bsc#1285024).\n- CVE-2026-87862: HSTS cache import drops longer-lived child (bsc#1285023).\n- CVE-2026-87863: HSTS response erases persisted entries (bsc#1285022).\n- CVE-2026-87864: IMAP APPEND plus CRLF conversion command injection (bsc#1285021).\n- CVE-2026-92386: server-set cookie aborts cookie jar load (bsc#1285018).\n- CVE-2026-92387: never-ending loop via server response omission (bsc#1285017).\n- CVE-2026-92388: FTP wildcard write callback mixup (bsc#1285016).\n- CVE-2026-92389: TFTP direction confusion (bsc#1285015).\n- CVE-2026-92390: -J no-clobber guarantee bypassed with 103 early hints (bsc#1285014).\n- CVE-2026-92391: curl_mime_free stack overflow by recursion (bsc#1285013).\n- CVE-2026-92392: HTTP/2 upload Use-After-Free (bsc#1285012).\n- CVE-2026-94265: Authorization: Negotiate sent to foreign origin (bsc#1285011).\n- CVE-2026-94266: password leak in CURLINFO_EFFECTIVE_URL (bsc#1285010).\n- CVE-2026-107929: local interface connection reuse mixup (bsc#1285008).\n\nChanges for curl:\n\n- Updated to version 8.22.0. (jsc#PED-16984)\n","status":"published","published":"2026-11-03T08:13:44Z","modified":"2026-11-03T22:45:05.964085219Z","updated_at":"2026-11-03T22:59:30.419462Z"},{"id":"SUSE-SU-2026:5071-1","title":"Security update for curl","description":"This update for curl fixes the following issues:\n\n- CVE-2026-8932: incomplete mTLS config matching in conn reuse (bsc#1268414).\n- CVE-2026-11856: cross-origin Digest auth state leak (bsc#1268426).\n- CVE-2026-12064: proto-default skips SSH verification (bsc#1268427).\n- CVE-2026-19931: Negotiate ambient user conn reuse (bsc#1277478).\n- CVE-2026-86409: stale SigV4 headers sent unintended (bsc#1285031).\n- CVE-2026-86410: redirect to SFTP or SCP bypasses host verification (bsc#1285030).\n- CVE-2026-86414: leaking host credentials to HTTP proxy (bsc#1285026).\n- CVE-2026-87864: IMAP APPEND plus CRLF conversion command injection (bsc#1285021).\n- CVE-2026-92388: FTP wildcard write callback mixup (bsc#1285016).\n- CVE-2026-92389: TFTP direction confusion (bsc#1285015).\n- CVE-2026-92391: curl_mime_free stack overflow by recursion (bsc#1285013).\n- CVE-2026-94266: password leak in CURLINFO_EFFECTIVE_URL (bsc#1285010).\n","status":"published","published":"2026-11-03T08:14:35Z","modified":"2026-11-03T22:45:03.520972957Z","updated_at":"2026-11-03T22:59:30.419462Z"},{"id":"USN-8927-1","title":"curl vulnerabilities","description":"It was discovered that curl, when built with GnuTLS support, had an\nout-of-bounds read in the WebSocket send path. An attacker could\npossibly use this issue to obtain sensitive information.\n(CVE-2026-107928)\n\nMaksim discovered that curl did not correctly include the interface\nbinding in connection reuse decisions when CURLOPT_INTERFACE was used.\nAn attacker could possibly use this issue to cause connections to go\nout from an unintended source address. (CVE-2026-107929)\n\nStanislav Fort discovered that curl did not properly clear AWS SigV4\nauthentication state when CURLOPT_AWS_SIGV4 was set to NULL. An\nattacker could possibly use this issue to obtain sensitive information.\n(CVE-2026-86409)\n\nStanislav Fort discovered that the curl command line tool did not set\nSSH host verification options when following redirects to SFTP or SCP\nURLs. An attacker could possibly use this issue to perform\nmachine-in-the-middle attacks. (CVE-2026-86410)\n\nStanislav Fort discovered that curl did not properly handle cookie jar\nentries that could not be reloaded. An attacker could possibly use this\nissue to cause a denial of service. (CVE-2026-86412)\n\nStanislav Fort discovered that an HTTP proxy could trick libcurl into\nsending credentials to the proxy itself by responding to a CONNECT\nrequest with an unexpected authentication challenge. An attacker could\npossibly use this issue to obtain sensitive information.\n(CVE-2026-86414)\n\nStanislav Fort discovered that curl did not correctly handle HSTS\nentries when an includeSubDomains parent entry was imported before a\nlonger-lived child entry. An attacker could possibly use this issue to\ncause curl to use unencrypted HTTP connections. (CVE-2026-87862)\n\nStanislav Fort discovered that curl did not properly handle HSTS\nmax-age values that exceeded calendar time structure bounds. An\nattacker could possibly use this issue to cause a denial of service or\ndata loss. (CVE-2026-87863)\n\nStanislav Fort discovered that curl did not properly handle IMAP APPEND\ncommands when CURLOPT_CRLF was enabled, allowing overflow bytes to be\ninterpreted as pipelined commands. An authenticated attacker could\npossibly use this issue to inject arbitrary IMAP commands.\n(CVE-2026-87864)\n\nBobbeh Rhino discovered that libcurl, when used with libssh2 and a\nhashed known_hosts file, could misreport a host key mismatch as a\nmissing key. An attacker could possibly use this issue to perform\nmachine-in-the-middle attacks. (CVE-2026-87865)\n\nJoshua Rogers discovered that curl did not properly handle long cookie\nentries written to a Netscape cookie jar. An attacker could possibly\nuse this issue to cause a denial of service. (CVE-2026-92386)\n\nJoshua Rogers discovered that a malicious FTP, IMAP, POP3, or SMTP\nserver could cause libcurl to block indefinitely by omitting the final\ncontrol-response line. An attacker could possibly use this issue to\ncause a denial of service. (CVE-2026-92387)\n\nJoshua Rogers discovered that libcurl had a use-after-free\nvulnerability in the FTP wildcard matching code. An attacker could\npossibly use this issue to cause curl to crash, resulting in a denial\nof service, or execute arbitrary code. (CVE-2026-92388)\n\nJoshua Rogers discovered that libcurl's TFTP state machine did not\nproperly validate transfer directions, allowing a malicious server to\nforce the client into transmit mode. An attacker could possibly use\nthis issue to obtain sensitive information. (CVE-2026-92389)\n\nJoshua Rogers discovered that curl did not properly enforce its file\noverwrite protection when using --remote-header-name in certain\ncircumstances. An attacker could possibly use this issue to overwrite\nlocal files. (CVE-2026-92390)\n\nJoshua Rogers discovered that curl had a stack overflow vulnerability\nwhen processing deeply nested MIME structures. An attacker could\npossibly use this issue to cause curl to crash, resulting in a denial\nof service. (CVE-2026-92391)\n\nJoshua Rogers discovered that libcurl could expose credentials in the\nURL returned by CURLINFO_EFFECTIVE_URL when credentials were retrieved\nfrom a .netrc file. An attacker could possibly use this issue to obtain\nsensitive information. (CVE-2026-94266)\n\nJoshua Rogers discovered that libcurl had a use-after-free\nvulnerability during HTTP/2 uploads when handling RST_STREAM responses\nfrom the server. An attacker could possibly use this issue to cause\ncurl to crash, resulting in a denial of service, or execute arbitrary\ncode. (CVE-2026-92392)","status":"published","published":"2026-10-14T11:58:06Z","modified":"2026-11-03T21:19:25.73264429Z","updated_at":"2026-11-03T21:43:32.336286Z"},{"id":"USN-8927-2","title":"curl vulnerabilities","description":"USN-8927-1 fixed vulnerabilities in curl. This update provides the\ncorresponding fixes for Ubuntu 26.10.\n\nOriginal advisory details:\n\n It was discovered that curl, when built with GnuTLS support, had an\n out-of-bounds read in the WebSocket send path. An attacker could\n possibly use this issue to obtain sensitive information.\n (CVE-2026-107928)\n\n Maksim discovered that curl did not correctly include the interface\n binding in connection reuse decisions when CURLOPT_INTERFACE was used.\n An attacker could possibly use this issue to cause connections to go\n out from an unintended source address. (CVE-2026-107929)\n\n Stanislav Fort discovered that curl did not properly clear AWS SigV4\n authentication state when CURLOPT_AWS_SIGV4 was set to NULL. An\n attacker could possibly use this issue to obtain sensitive information.\n (CVE-2026-86409)\n\n Stanislav Fort discovered that the curl command line tool did not set\n SSH host verification options when following redirects to SFTP or SCP\n URLs. An attacker could possibly use this issue to perform\n machine-in-the-middle attacks. (CVE-2026-86410)\n\n Stanislav Fort discovered that curl did not properly handle cookie jar\n entries that could not be reloaded. An attacker could possibly use this\n issue to cause a denial of service. (CVE-2026-86412)\n\n Stanislav Fort discovered that an HTTP proxy could trick libcurl into\n sending credentials to the proxy itself by responding to a CONNECT\n request with an unexpected authentication challenge. An attacker could\n possibly use this issue to obtain sensitive information.\n (CVE-2026-86414)\n\n Stanislav Fort discovered that curl did not correctly handle HSTS\n entries when an includeSubDomains parent entry was imported before a\n longer-lived child entry. An attacker could possibly use this issue to\n cause curl to use unencrypted HTTP connections. (CVE-2026-87862)\n\n Stanislav Fort discovered that curl did not properly handle HSTS\n max-age values that exceeded calendar time structure bounds. An\n attacker could possibly use this issue to cause a denial of service or\n data loss. (CVE-2026-87863)\n\n Stanislav Fort discovered that curl did not properly handle IMAP APPEND\n commands when CURLOPT_CRLF was enabled, allowing overflow bytes to be\n interpreted as pipelined commands. An authenticated attacker could\n possibly use this issue to inject arbitrary IMAP commands.\n (CVE-2026-87864)\n\n Bobbeh Rhino discovered that libcurl, when used with libssh2 and a\n hashed known_hosts file, could misreport a host key mismatch as a\n missing key. An attacker could possibly use this issue to perform\n machine-in-the-middle attacks. (CVE-2026-87865)\n\n Joshua Rogers discovered that curl did not properly handle long cookie\n entries written to a Netscape cookie jar. An attacker could possibly\n use this issue to cause a denial of service. (CVE-2026-92386)\n\n Joshua Rogers discovered that a malicious FTP, IMAP, POP3, or SMTP\n server could cause libcurl to block indefinitely by omitting the final\n control-response line. An attacker could possibly use this issue to\n cause a denial of service. (CVE-2026-92387)\n\n Joshua Rogers discovered that libcurl had a use-after-free\n vulnerability in the FTP wildcard matching code. An attacker could\n possibly use this issue to cause curl to crash, resulting in a denial\n of service, or execute arbitrary code. (CVE-2026-92388)\n\n Joshua Rogers discovered that libcurl's TFTP state machine did not\n properly validate transfer directions, allowing a malicious server to\n force the client into transmit mode. An attacker could possibly use\n this issue to obtain sensitive information. (CVE-2026-92389)\n\n Joshua Rogers discovered that curl did not properly enforce its file\n overwrite protection when using --remote-header-name in certain\n circumstances. An attacker could possibly use this issue to overwrite\n local files. (CVE-2026-92390)\n\n Joshua Rogers discovered that curl had a stack overflow vulnerability\n when processing deeply nested MIME structures. An attacker could\n possibly use this issue to cause curl to crash, resulting in a denial\n of service. (CVE-2026-92391)\n\n Joshua Rogers discovered that libcurl could expose credentials in the\n URL returned by CURLINFO_EFFECTIVE_URL when credentials were retrieved\n from a .netrc file. An attacker could possibly use this issue to obtain\n sensitive information. (CVE-2026-94266)\n\n Joshua Rogers discovered that libcurl had a use-after-free\n vulnerability during HTTP/2 uploads when handling RST_STREAM responses\n from the server. An attacker could possibly use this issue to cause\n curl to crash, resulting in a denial of service, or execute arbitrary\n code. (CVE-2026-92392)","status":"published","published":"2026-10-19T15:51:17Z","modified":"2026-11-03T21:19:25.726716316Z","updated_at":"2026-11-03T21:43:32.336286Z"},{"id":"USN-8932-1","title":"curl vulnerabilities","description":"Stanislav Fort discovered that curl did not properly clear AWS SigV4\nauthentication state when CURLOPT_AWS_SIGV4 was set to NULL. An attacker\ncould possibly use this issue to obtain sensitive information. This\nissue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS.\n(CVE-2026-86409)\n\nStanislav Fort discovered that an HTTP proxy could trick libcurl into\nsending credentials to the proxy itself by responding to a CONNECT\nrequest with an unexpected authentication challenge. An attacker could\npossibly use this issue to obtain sensitive information.\n(CVE-2026-86414)\n\nStanislav Fort discovered that curl did not correctly handle HSTS\nentries when an includeSubDomains parent entry was imported before a\nlonger-lived child entry. An attacker could possibly use this issue to\ncause curl to use unencrypted HTTP connections. This issue only affected\nUbuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-87862)\n\nStanislav Fort discovered that curl did not properly handle HSTS max-age\nvalues that exceeded calendar time structure bounds. An attacker could\npossibly use this issue to cause a denial of service or data loss. This\nissue only affected Ubuntu 24.04 LTS. (CVE-2026-87863)\n\nStanislav Fort discovered that curl did not properly handle IMAP APPEND\ncommands when CURLOPT_CRLF was enabled, allowing overflow bytes to be\ninterpreted as pipelined commands. An authenticated attacker could\npossibly use this issue to inject arbitrary IMAP commands.\n(CVE-2026-87864)\n\nJoshua Rogers discovered that libcurl had a use-after-free vulnerability\nin the FTP wildcard matching code. An attacker could possibly use this\nissue to cause curl to crash, resulting in a denial of service, or\nexecute arbitrary code. (CVE-2026-92388)\n\nJoshua Rogers discovered that libcurl's TFTP state machine did not\nproperly validate transfer directions, allowing a malicious server to\nforce the client into transmit mode. An attacker could possibly use this\nissue to obtain sensitive information. (CVE-2026-92389)\n\nJoshua Rogers discovered that curl had a stack overflow vulnerability\nwhen processing deeply nested MIME structures. An attacker could\npossibly use this issue to cause curl to crash, resulting in a denial of\nservice. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-92391)\n\nJoshua Rogers discovered that libcurl could expose credentials in the\nURL returned by CURLINFO_EFFECTIVE_URL when credentials were retrieved\nfrom a .netrc file. An attacker could possibly use this issue to obtain\nsensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu\n22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-94266)","status":"published","published":"2026-10-14T19:26:26Z","modified":"2026-11-03T21:19:26.141285247Z","updated_at":"2026-11-03T21:43:32.336286Z"}]}}