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openSUSE Leap 15.6 libxml2 Critical Update Advisory SUSE-SU-2026-0458-2

opensuse
Calendar Grey January 29, 2026
Dist Opensuse Esm H88
This update addresses a low-severity issue in libxml2, preventing potential stack exhaustion leading to application crashes.
An update that solves one vulnerability can now be installed.

Description

This update for libxml2 fixes the following issues:

* CVE-2026-0989: Fixed call stack exhaustion leading to application crash due

to RelaxNG parser not limiting the recursion depth when resolving

`<include>` directives (bsc#1256805)

Topics%20covered

Topics Covered

security advisory application crash libxml2 low OpenSUSE stack exhaustion

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:

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2026-334=1

* SUSE Linux Enterprise Micro 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-334=1

* SUSE Linux Enterprise Micro for Rancher 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-334=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* python3-libxml2-python-2.9.7-150000.3.91.1

* python3-libxml2-python-debuginfo-2.9.7-150000.3.91.1

* python-libxml2-python-debugsource-2.9.7-150000.3.91.1

* SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)

* libxml2-2-2.9.7-150000.3.91.1

* libxml2-debugsource-2.9.7-150000.3.91.1

* libxml2-tools-debuginfo-2.9.7-150000.3.91.1

* libxml2-2-debuginfo-2.9.7-150000.3.91.1

* python3-libxml2-python-debuginfo-2.9.7-150000.3.91.1

* python3-libxml2-python-2.9.7-150000.3.91.1

* libxml2-tools-2.9.7-150000.3.91.1

* python-libxml2-python-debugsource-2.9.7-150000.3.91.1

* SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)

* libxml2-2-2.9.7-150000.3.91.1

* libxml2-debugsource-2.9.7-150000.3.91.1

* libxml2-tools-debuginfo-2.9.7-150000.3.91.1

* libxml2-2-debuginfo-2.9.7-150000.3.91.1

* python3-libxml2-python-debuginfo-2.9.7-150000.3.91.1

* python3-libxml2-python-2.9.7-150000.3.91.1

* libxml2-tools-2.9.7-150000.3.91.1

*...

Read the Full Advisory

References

* bsc#1256805

## References:

* https://www.suse.com/security/cve/CVE-2026-0989.html

* https://bugzilla.suse.com/show_bug.cgi?id=1256805

Severity
low
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0334-1
Release Date: 2026-01-29T10:01:40Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Micro for Rancher 5.2

Topics%20covered

Topics Covered

security advisory application crash libxml2 low OpenSUSE stack exhaustion

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