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SUSE SLES15 Security Update : python311 (SUSE-SU-2026:2723-1)

medium Nessus Plugin ID 324847

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:2723-1 advisory.

 Security issues fixed:

 - CVE-2026-3446: base64 decoding stops at first padded quad by default and ignores other information that could be processed (bsc#1261970).

 Other updates and bugfixes:

 - Rewrite structure of Python interpreter packages. `python3*` symbols should be now provided by real `python3` packages and its subpackages instead of the virtual provides (bsc#1258364).

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

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

Solution

Update the affected libpython3_11-1_0, python311 and / or python311-base packages.

See Also

https://bugzilla.suse.com/1258364

https://bugzilla.suse.com/1261970

https://lists.suse.com/pipermail/sle-updates/2026-July/047852.html

https://www.suse.com/security/cve/CVE-2026-3446

Plugin Details

Severity: Medium

ID: 324847

File Name: suse_SU-2026-2723-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/2/2026

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.39

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2026-3446

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 2.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:python311, p-cpe:/a:novell:suse_linux:libpython3_11-1_0, p-cpe:/a:novell:suse_linux:python311-base, cpe:/o:novell:suse_linux:15

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: 7/1/2026

Vulnerability Publication Date: 4/10/2026

Reference Information

CVE: CVE-2026-3446

IAVA: 2026-A-0360-S

SuSE: SUSE-SU-2026:2723-1