SUSE SLES15 Security Update : python311 (SUSE-SU-2026:0299-1)

medium Nessus Plugin ID 297010

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0299-1 advisory.

- CVE-2025-12084: prevent quadratic behavior in node ID cache clearing (bsc#1254997).
- CVE-2025-13836: prevent reading an HTTP response from a server, if no read amount is specified, with using Content-Length per default as the length (bsc#1254400).
- CVE-2025-13837: protect against OOM when loading malicious content (bsc#1254401).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1254400

https://bugzilla.suse.com/1254401

https://bugzilla.suse.com/1254997

http://www.nessus.org/u?2ddb6a5e

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

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

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

Plugin Details

Severity: Medium

ID: 297010

File Name: suse_SU-2026-0299-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/28/2026

Updated: 1/28/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:C

CVSS Score Source: CVE-2025-13836

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 1.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:python311-curses, p-cpe:/a:novell:suse_linux:python311-idle, p-cpe:/a:novell:suse_linux:python311, p-cpe:/a:novell:suse_linux:libpython3_11-1_0, p-cpe:/a:novell:suse_linux:python311-doc, p-cpe:/a:novell:suse_linux:python311-tk, p-cpe:/a:novell:suse_linux:python311-devel, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:python311-tools, p-cpe:/a:novell:suse_linux:python311-base, p-cpe:/a:novell:suse_linux:python311-doc-devhelp, p-cpe:/a:novell:suse_linux:python311-dbm

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/26/2026

Vulnerability Publication Date: 12/1/2025

Reference Information

CVE: CVE-2025-12084, CVE-2025-13836, CVE-2025-13837

SuSE: SUSE-SU-2026:0299-1