Security update for curl

Announcement ID:	SUSE-SU-2026:2926-1
Release Date:	2026-07-13T17:55:14Z
Rating:	important
References:	bsc#1268402 bsc#1268407 bsc#1268409 bsc#1268413 bsc#1268415 bsc#1268416 bsc#1268417 bsc#1268420 bsc#1268422 bsc#1268427
Cross-References:	CVE-2026-10536 CVE-2026-12064 CVE-2026-8286 CVE-2026-8458 CVE-2026-8924 CVE-2026-8927 CVE-2026-9079 CVE-2026-9080 CVE-2026-9545 CVE-2026-9547
CVSS scores:	CVE-2026-10536 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2026-10536 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2026-10536 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-12064 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2026-12064 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2026-12064 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVE-2026-8286 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2026-8286 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2026-8286 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVE-2026-8458 ( SUSE ): 2.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2026-8458 ( SUSE ): 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N CVE-2026-8458 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVE-2026-8924 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2026-8924 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVE-2026-8924 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2026-8927 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2026-8927 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2026-8927 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2026-9079 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2026-9079 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2026-9079 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-9080 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2026-9080 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-9080 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVE-2026-9545 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2026-9545 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2026-9545 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2026-9547 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2026-9547 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2026-9547 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products:	openSUSE Leap 15.6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server 15 SP6 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves 10 vulnerabilities can now be installed.

Description:

This update for curl fixes the following issues

• CVE-2026-8286: wrong STARTTLS connection reuse (bsc#1268402).
• CVE-2026-8458: wrong reuse for different services (bsc#1268407).
• CVE-2026-8924: traling dot domain super cookie (bsc#1268409).
• CVE-2026-8927: env-set cross-proxy Digest auth state leak (bsc#1268413).
• CVE-2026-9079: stale proxy password leak (bsc#1268415).
• CVE-2026-9080: UAF after pause in socket callback (bsc#1268416).
• CVE-2026-9545: exposing HTTP/3 early data (bsc#1268417).
• CVE-2026-9547: SSH improper host validation (bsc#1268420).
• CVE-2026-10536: HTTP/2 stream-dependency tree UAF (bsc#1268422).
• CVE-2026-12064: proto-default skips SSH verification (bsc#1268427).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2926=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2926=1
• openSUSE Leap 15.6
  zypper in -t patch SUSE-2026-2926=1

Package List:

• openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
  • curl-mini-debugsource-8.14.1-150600.4.46.1
  • libcurl4-8.14.1-150600.4.46.1
  • libcurl-mini4-8.14.1-150600.4.46.1
  • curl-8.14.1-150600.4.46.1
  • libcurl4-debuginfo-8.14.1-150600.4.46.1
  • libcurl-mini4-debuginfo-8.14.1-150600.4.46.1
  • curl-debugsource-8.14.1-150600.4.46.1
  • curl-debuginfo-8.14.1-150600.4.46.1
  • libcurl-devel-8.14.1-150600.4.46.1
• openSUSE Leap 15.6 (aarch64_ilp32)
  • libcurl-devel-64bit-8.14.1-150600.4.46.1
  • libcurl4-64bit-8.14.1-150600.4.46.1
  • libcurl4-64bit-debuginfo-8.14.1-150600.4.46.1
• openSUSE Leap 15.6 (x86_64)
  • libcurl4-32bit-8.14.1-150600.4.46.1
  • libcurl-devel-32bit-8.14.1-150600.4.46.1
  • libcurl4-32bit-debuginfo-8.14.1-150600.4.46.1
• openSUSE Leap 15.6 (noarch)
  • curl-zsh-completion-8.14.1-150600.4.46.1
  • libcurl-devel-doc-8.14.1-150600.4.46.1
  • curl-fish-completion-8.14.1-150600.4.46.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • libcurl4-8.14.1-150600.4.46.1
  • curl-8.14.1-150600.4.46.1
  • libcurl4-debuginfo-8.14.1-150600.4.46.1
  • curl-debugsource-8.14.1-150600.4.46.1
  • libcurl-devel-8.14.1-150600.4.46.1
  • curl-debuginfo-8.14.1-150600.4.46.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
  • libcurl4-32bit-8.14.1-150600.4.46.1
  • libcurl4-32bit-debuginfo-8.14.1-150600.4.46.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • libcurl4-8.14.1-150600.4.46.1
  • curl-8.14.1-150600.4.46.1
  • libcurl4-debuginfo-8.14.1-150600.4.46.1
  • curl-debugsource-8.14.1-150600.4.46.1
  • curl-debuginfo-8.14.1-150600.4.46.1
  • libcurl-devel-8.14.1-150600.4.46.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
  • libcurl4-32bit-debuginfo-8.14.1-150600.4.46.1
  • libcurl4-32bit-8.14.1-150600.4.46.1

References:

• https://www.suse.com/security/cve/CVE-2026-10536.html
• https://www.suse.com/security/cve/CVE-2026-12064.html
• https://www.suse.com/security/cve/CVE-2026-8286.html
• https://www.suse.com/security/cve/CVE-2026-8458.html
• https://www.suse.com/security/cve/CVE-2026-8924.html
• https://www.suse.com/security/cve/CVE-2026-8927.html
• https://www.suse.com/security/cve/CVE-2026-9079.html
• https://www.suse.com/security/cve/CVE-2026-9080.html
• https://www.suse.com/security/cve/CVE-2026-9545.html
• https://www.suse.com/security/cve/CVE-2026-9547.html
• https://bugzilla.suse.com/show_bug.cgi?id=1268402
• https://bugzilla.suse.com/show_bug.cgi?id=1268407
• https://bugzilla.suse.com/show_bug.cgi?id=1268409
• https://bugzilla.suse.com/show_bug.cgi?id=1268413
• https://bugzilla.suse.com/show_bug.cgi?id=1268415
• https://bugzilla.suse.com/show_bug.cgi?id=1268416
• https://bugzilla.suse.com/show_bug.cgi?id=1268417
• https://bugzilla.suse.com/show_bug.cgi?id=1268420
• https://bugzilla.suse.com/show_bug.cgi?id=1268422
• https://bugzilla.suse.com/show_bug.cgi?id=1268427