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openSUSE libxml2 Important Stack Buffer Overflow Fix 2026-3096-1

opensuse
Calendar Grey July 17, 2026
Scroller Opensuse
The update for libxml2 addresses a critical buffer overflow issue that poses security risks with strong recommendations for users.
An update that solves one vulnerability can now be installed.

Description

This update for libxml2 fixes the following issue

* CVE-2026-11979: stack-based buffer overflows in the `xmlcatalog` utility

when running in `--shell` mode (bsc#1269790).

Topics%20covered

Topics Covered

security advisory buffer overflow important libxml2 OpenSUSE stack attack

Patch

## 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-SP6-2026-3096=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3096=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3096=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3096=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-3096=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-3096=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3096=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch...

Read the Full Advisory

Package List

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)

* libxml2-python-debugsource-2.10.3-150500.5.41.1

* python311-libxml2-2.10.3-150500.5.41.1

* python311-libxml2-debuginfo-2.10.3-150500.5.41.1

* libxml2-debugsource-2.10.3-150500.5.41.1

* libxml2-2-2.10.3-150500.5.41.1

* libxml2-devel-2.10.3-150500.5.41.1

* python3-libxml2-2.10.3-150500.5.41.1

* libxml2-2-debuginfo-2.10.3-150500.5.41.1

* libxml2-tools-debuginfo-2.10.3-150500.5.41.1

* python3-libxml2-debuginfo-2.10.3-150500.5.41.1

* libxml2-tools-2.10.3-150500.5.41.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)

* libxml2-2-32bit-2.10.3-150500.5.41.1

* libxml2-2-32bit-debuginfo-2.10.3-150500.5.41.1

* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)

* libxml2-python-debugsource-2.10.3-150500.5.41.1

* libxml2-debugsource-2.10.3-150500.5.41.1

* libxml2-2-2.10.3-150500.5.41.1

* python3-libxml2-2.10.3-150500.5.41.1

* libxml2-2-debuginfo-2.10.3-150500.5.41.1

*...

Read the Full Advisory

References

* bsc#1269790

## References:

* https://www.suse.com/security/cve/CVE-2026-11979.html

* https://bugzilla.suse.com/show_bug.cgi?id=1269790

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3096-1
Release Date: 2026-07-17T11:39:17Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory buffer overflow important libxml2 OpenSUSE stack attack

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