Alerts This Week
Warning Icon 1 1,154
Alerts This Week
Warning Icon 1 1,154

openSUSE Leap 15.4 python311 Important Denial of Service Vuln 2026-1117-1

opensuse
Calendar Grey March 27, 2026
Dist Opensuse Esm H88
This advisory outlines ten vulnerabilities fixed in python311 on openSUSE, emphasizing critical updates for security.
An update that solves 10 vulnerabilities can now be installed.

Description

This update for python311 fixes the following issues:

Update to python 3.11.15:

* CVE-2025-6075: quadratic complexity in os.path.expandvars() (bsc#1252974).

* CVE-2025-11468: header injection with carefully crafted inputs

(bsc#1257029).

* CVE-2025-12084: quadratic complexity in xml.minidom node ID cache clearing

(bsc#1254997).

* CVE-2025-13836: potential memory denial of service in the http.client module

(bsc#1254400).

* CVE-2025-13837: potential memory denial of service in the plistlib module

(bsc#1254401).

* CVE-2025-15282: user-controlled data URLs parsed may allow injecting headers

(bsc#1257046).

* CVE-2026-0672: control characters in http.cookies.Morsel fields and values

(bsc#1257031).

* CVE-2026-0865: C0 control characters within wsgiref.headers.Headers fields,

values, and parameters (bsc#1257042).

* CVE-2026-1299: header injection when an email is serialized due to improper

newline quoting (bsc#1257181).

* CVE-2026-2297:...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE CVE references 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:

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-1117=1

* Public Cloud Module 15-SP4

zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-1117=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1117=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1117=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1117=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1117=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1117=1

* SUSE Linux Enterprise Server 15 SP5...

Read the Full Advisory

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* python311-doc-devhelp-3.11.15-150400.9.80.1

* python311-curses-debuginfo-3.11.15-150400.9.80.1

* python311-core-debugsource-3.11.15-150400.9.80.1

* libpython3_11-1_0-3.11.15-150400.9.80.1

* python311-testsuite-debuginfo-3.11.15-150400.9.80.1

* python311-debuginfo-3.11.15-150400.9.80.1

* python311-idle-3.11.15-150400.9.80.1

* python311-doc-3.11.15-150400.9.80.1

* python311-3.11.15-150400.9.80.1

* python311-tk-3.11.15-150400.9.80.1

* python311-tools-3.11.15-150400.9.80.1

* libpython3_11-1_0-debuginfo-3.11.15-150400.9.80.1

* python311-debugsource-3.11.15-150400.9.80.1

* python311-testsuite-3.11.15-150400.9.80.1

* python311-curses-3.11.15-150400.9.80.1

* python311-base-debuginfo-3.11.15-150400.9.80.1

* python311-tk-debuginfo-3.11.15-150400.9.80.1

* python311-base-3.11.15-150400.9.80.1

* python311-devel-3.11.15-150400.9.80.1

* python311-dbm-debuginfo-3.11.15-150400.9.80.1

* python311-dbm-3.11.15-150400.9.80.1

* openSUSE Leap 15.4 (x86_64)

*...

Read the Full Advisory

References

* bsc#1252974

* bsc#1254400

* bsc#1254401

* bsc#1254997

* bsc#1257029

* bsc#1257031

* bsc#1257042

* bsc#1257046

* bsc#1257181

* bsc#1259240

## References:

* https://www.suse.com/security/cve/CVE-2025-11468.html

* https://www.suse.com/security/cve/CVE-2025-12084.html

* https://www.suse.com/security/cve/CVE-2025-13836.html

* https://www.suse.com/security/cve/CVE-2025-13837.html

* https://www.suse.com/security/cve/CVE-2025-15282.html

* https://www.suse.com/security/cve/CVE-2025-6075.html

* https://www.suse.com/security/cve/CVE-2026-0672.html

* https://www.suse.com/security/cve/CVE-2026-0865.html

* https://www.suse.com/security/cve/CVE-2026-1299.html

* https://www.suse.com/security/cve/CVE-2026-2297.html

* https://bugzilla.suse.com/show_bug.cgi?id=1252974

* https://bugzilla.suse.com/show_bug.cgi?id=1254400

* https://bugzilla.suse.com/show_bug.cgi?id=1254401

* https://bugzilla.suse.com/show_bug.cgi?id=1254997

* https://bugzilla.suse.com/show_bug.cgi?id=1257029

* https://bugzilla.suse.com/show_bug.cgi?id=1257031

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1117-1
Release Date: 2026-03-27T11:34:37Z
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 denial of service important OpenSUSE CVE references python311

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here