SUSE alert SUSE-SU-2026:20707-1 (libxslt, libxml2)

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SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:20707-1: moderate: Security update for libxslt, libxml2
Date:
             
 
Wed, 18 Mar 2026 20:34:00 -0000
Message-ID:
             
 
<177386604031.210.17207063307573100766@940e0c7761a0>


# Security update for libxslt, libxml2

Announcement ID: SUSE-SU-2026:20707-1  
Release Date: 2026-03-06T11:58:49Z  
Rating: moderate  
References:

  * bsc#1247850
  * bsc#1247858
  * bsc#1250553
  * bsc#1256804
  * bsc#1256805
  * bsc#1256807
  * bsc#1256808
  * bsc#1256809
  * bsc#1256810
  * bsc#1256811
  * bsc#1256812
  * bsc#1257593
  * bsc#1257594
  * bsc#1257595

  
Cross-References:

  * CVE-2025-10911
  * CVE-2025-8732
  * CVE-2026-0989
  * 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-2026-0989 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-0989 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-0989 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/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:

  * SUSE Linux Micro 6.0

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

## Description:

This update for libxslt, libxml2 fixes the following issues:

Changes in libxml2:

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

## 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 Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-608=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libxml2-debugsource-2.11.6-12.1
    * libexslt0-debuginfo-1.1.38-8.1
    * python311-libxml2-debuginfo-2.11.6-12.1
    * libxslt1-1.1.38-8.1
    * libxml2-python-debugsource-2.11.6-12.1
    * libexslt0-1.1.38-8.1
    * libxml2-2-2.11.6-12.1
    * libxslt-debugsource-1.1.38-8.1
    * libxml2-tools-debuginfo-2.11.6-12.1
    * libxslt1-debuginfo-1.1.38-8.1
    * libxml2-2-debuginfo-2.11.6-12.1
    * python311-libxml2-2.11.6-12.1
    * libxml2-tools-2.11.6-12.1

## 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-2026-0989.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=1256804
  * https://bugzilla.suse.com/show_bug.cgi?id=1256805
  * 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=1256810
  * 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



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