Security update for libxml2

Announcement ID:	SUSE-SU-2026:0570-1
Release Date:	2026-02-17T16:38:53Z
Rating:	moderate
References:	bsc#1247850 bsc#1247858 bsc#1250553 bsc#1256807 bsc#1256808 bsc#1256809 bsc#1256811 bsc#1256812 bsc#1257593 bsc#1257594 bsc#1257595
Cross-References:	CVE-2025-10911 CVE-2025-8732 CVE-2026-0990 CVE-2026-0992 CVE-2026-1757
CVSS scores:	CVE-2025-10911 ( 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-2025-10911 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2025-10911 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2025-8732 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVE-2025-8732 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2025-8732 ( NVD ): 1.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVE-2025-8732 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVE-2026-0990 ( 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-2026-0990 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-0990 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-0992 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVE-2026-0992 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2026-0992 ( NVD ): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2026-1757 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVE-2026-1757 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVE-2026-1757 ( NVD ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	openSUSE Leap 15.5 openSUSE Leap 15.6 SUSE Linux Enterprise Micro 5.5

An update that solves five vulnerabilities and has six security fixes can now be installed.

Description:

This update for libxml2 fixes the following issues:

• CVE-2026-0990: Fixed a call stack overflow leading to application crash due to infinite recursion in xmlCatalogXMLResolveURI. (bsc#1256807, bsc#1256811)
• CVE-2026-0992: Fixed an excessive resource consumption when processing XML catalogs due to exponential behavior. (bsc#1256809, bsc#1256812)
• CVE-2026-1757: Fixed a memory leak in the xmllint interactive shell. (bsc#1257594, bsc#1257595)
• CVE-2025-10911: Fixed a use-after-free with key data stored cross-RVT. (bsc#1250553)
• CVE-2025-8732: Fixed an infinite recursion in catalog parsing functions when processing malformed SGML catalog files. (bsc#1247858)

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:

• openSUSE Leap 15.5
  zypper in -t patch SUSE-2026-570=1
• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2026-570=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2026-570=1

Package List:

• openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
  • libxml2-tools-debuginfo-2.10.3-150500.5.38.1
  • python3-libxml2-debuginfo-2.10.3-150500.5.38.1
  • libxml2-2-debuginfo-2.10.3-150500.5.38.1
  • python311-libxml2-debuginfo-2.10.3-150500.5.38.1
  • python3-libxml2-2.10.3-150500.5.38.1
  • libxml2-devel-2.10.3-150500.5.38.1
  • libxml2-debugsource-2.10.3-150500.5.38.1
  • python311-libxml2-2.10.3-150500.5.38.1
  • libxml2-tools-2.10.3-150500.5.38.1
  • libxml2-python-debugsource-2.10.3-150500.5.38.1
  • libxml2-2-2.10.3-150500.5.38.1
• openSUSE Leap 15.5 (x86_64)
  • libxml2-2-32bit-debuginfo-2.10.3-150500.5.38.1
  • libxml2-devel-32bit-2.10.3-150500.5.38.1
  • libxml2-2-32bit-2.10.3-150500.5.38.1
• openSUSE Leap 15.5 (noarch)
  • libxml2-doc-2.10.3-150500.5.38.1
• openSUSE Leap 15.5 (aarch64_ilp32)
  • libxml2-devel-64bit-2.10.3-150500.5.38.1
  • libxml2-2-64bit-2.10.3-150500.5.38.1
  • libxml2-2-64bit-debuginfo-2.10.3-150500.5.38.1
• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • libxml2-tools-debuginfo-2.10.3-150500.5.38.1
  • python3-libxml2-debuginfo-2.10.3-150500.5.38.1
  • libxml2-2-debuginfo-2.10.3-150500.5.38.1
  • python311-libxml2-debuginfo-2.10.3-150500.5.38.1
  • python3-libxml2-2.10.3-150500.5.38.1
  • libxml2-devel-2.10.3-150500.5.38.1
  • libxml2-debugsource-2.10.3-150500.5.38.1
  • python311-libxml2-2.10.3-150500.5.38.1
  • libxml2-tools-2.10.3-150500.5.38.1
  • libxml2-python-debugsource-2.10.3-150500.5.38.1
  • libxml2-2-2.10.3-150500.5.38.1
• openSUSE Leap 15.6 (x86_64)
  • libxml2-2-32bit-debuginfo-2.10.3-150500.5.38.1
  • libxml2-devel-32bit-2.10.3-150500.5.38.1
  • libxml2-2-32bit-2.10.3-150500.5.38.1
• openSUSE Leap 15.6 (noarch)
  • libxml2-doc-2.10.3-150500.5.38.1
• SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
  • libxml2-tools-debuginfo-2.10.3-150500.5.38.1
  • python3-libxml2-debuginfo-2.10.3-150500.5.38.1
  • libxml2-2-debuginfo-2.10.3-150500.5.38.1
  • python3-libxml2-2.10.3-150500.5.38.1
  • libxml2-debugsource-2.10.3-150500.5.38.1
  • libxml2-tools-2.10.3-150500.5.38.1
  • libxml2-python-debugsource-2.10.3-150500.5.38.1
  • libxml2-2-2.10.3-150500.5.38.1

References:

• https://www.suse.com/security/cve/CVE-2025-10911.html
• https://www.suse.com/security/cve/CVE-2025-8732.html
• https://www.suse.com/security/cve/CVE-2026-0990.html
• https://www.suse.com/security/cve/CVE-2026-0992.html
• https://www.suse.com/security/cve/CVE-2026-1757.html
• https://bugzilla.suse.com/show_bug.cgi?id=1247850
• https://bugzilla.suse.com/show_bug.cgi?id=1247858
• https://bugzilla.suse.com/show_bug.cgi?id=1250553
• https://bugzilla.suse.com/show_bug.cgi?id=1256807
• https://bugzilla.suse.com/show_bug.cgi?id=1256808
• https://bugzilla.suse.com/show_bug.cgi?id=1256809
• https://bugzilla.suse.com/show_bug.cgi?id=1256811
• https://bugzilla.suse.com/show_bug.cgi?id=1256812
• https://bugzilla.suse.com/show_bug.cgi?id=1257593
• https://bugzilla.suse.com/show_bug.cgi?id=1257594
• https://bugzilla.suse.com/show_bug.cgi?id=1257595