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openSUSE python311 Important Security Fix CVE-2026-1530-1

opensuse
Calendar Grey April 21, 2026
Dist Opensuse Esm H88
Five important vulnerabilities found in python311 for openSUSE. Patch available. Review the security details for your systems.
An update that solves five vulnerabilities can now be installed.

Description

This update for python311 fixes the following issues:

* CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and

type AREGTYPE are combined (bsc#1259611).

* CVE-2026-3479: python: improper resource argument validation can allow path

traversal (bsc#1259989).

* CVE-2026-3644: incomplete control character validation in http.cookies

(bsc#1259734).

* CVE-2026-4224: C stack overflow when parsing XML with deeply nested DTD

content models (bsc#1259735).

* CVE-2026-4519: leading dashes in URLs are accepted by the

`webbrowser.open()` API and allow for web browser command line option

injection (bsc#1260026).

Topics%20covered

Topics Covered

security advisory important stack overflow path traversal OpenSUSE python311

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 High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1530=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1530=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1530=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1530=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1530=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1530=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch...

Read the Full Advisory

Package List

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* python311-base-debuginfo-3.11.15-150400.9.85.1

* python311-dbm-3.11.15-150400.9.85.1

* python311-curses-3.11.15-150400.9.85.1

* python311-idle-3.11.15-150400.9.85.1

* python311-debugsource-3.11.15-150400.9.85.1

* python311-devel-3.11.15-150400.9.85.1

* python311-core-debugsource-3.11.15-150400.9.85.1

* libpython3_11-1_0-3.11.15-150400.9.85.1

* python311-curses-debuginfo-3.11.15-150400.9.85.1

* python311-debuginfo-3.11.15-150400.9.85.1

* python311-dbm-debuginfo-3.11.15-150400.9.85.1

* python311-doc-3.11.15-150400.9.85.1

* python311-doc-devhelp-3.11.15-150400.9.85.1

* python311-tk-3.11.15-150400.9.85.1

* python311-tk-debuginfo-3.11.15-150400.9.85.1

* python311-base-3.11.15-150400.9.85.1

* python311-tools-3.11.15-150400.9.85.1

* python311-3.11.15-150400.9.85.1

* libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

x86_64)

*...

Read the Full Advisory

References

* bsc#1259611

* bsc#1259734

* bsc#1259735

* bsc#1259989

* bsc#1260026

## References:

* https://www.suse.com/security/cve/CVE-2025-13462.html

* https://www.suse.com/security/cve/CVE-2026-3479.html

* https://www.suse.com/security/cve/CVE-2026-3644.html

* https://www.suse.com/security/cve/CVE-2026-4224.html

* https://www.suse.com/security/cve/CVE-2026-4519.html

* https://bugzilla.suse.com/show_bug.cgi?id=1259611

* https://bugzilla.suse.com/show_bug.cgi?id=1259734

* https://bugzilla.suse.com/show_bug.cgi?id=1259735

* https://bugzilla.suse.com/show_bug.cgi?id=1259989

* https://bugzilla.suse.com/show_bug.cgi?id=1260026

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1530-1
Release Date: 2026-04-21T11:04:59Z
Affected Products: * openSUSE Leap 15.4 * Public Cloud Module 15-SP4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3

Topics%20covered

Topics Covered

security advisory important stack overflow path traversal OpenSUSE python311

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