SUSE SLED15: libpython3_13-1_0 / python313 / python313-base / python313-curses / etc (SUSE-SU-2026:4401-1)

high Nessus Plugin ID 362493

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4401-1 advisory.

Security issues fixed:

- CVE-2026-6879: quadratic behavior in `xml.etree.ElementPath` index predicates can lead to a denial of service via high CPU usage (bsc#1273148).
- CVE-2026-9669: crafted input can cause a stack buffer overflow (bsc#1267974).
- CVE-2026-17084: [Security-announce][] StringPrep algorithm considered (bsc#1276226).
- CVE-2026-18503: attacker-controlled CSV samples can trigger super-linear regular-expression work during dialect sniffing and consume significant CPU (bsc#1274683).

Non security issue fixed:

- Conflicts between different versions of Python (bsc#1258364).
- Updated to version 3.13.15

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.

Plugin Details

Severity: High

ID: 362493

File Name: suse_SU-2026-4401-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/2/2026

Updated: 10/2/2026

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: Low

Score: 3.2

Percentile: 50.42

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-17084

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-9669

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libpython3_13-1_0, p-cpe:/a:novell:suse_linux:python313-base, p-cpe:/a:novell:suse_linux:python313-curses, p-cpe:/a:novell:suse_linux:python313-dbm, p-cpe:/a:novell:suse_linux:python313-devel, p-cpe:/a:novell:suse_linux:python313-idle, p-cpe:/a:novell:suse_linux:python313-tk, p-cpe:/a:novell:suse_linux:python313-tools, p-cpe:/a:novell:suse_linux:python313

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: 9/30/2026

Vulnerability Publication Date: 6/8/2026

Reference Information

CVE: CVE-2026-17084, CVE-2026-18503, CVE-2026-6879, CVE-2026-9669

IAVA: 2026-A-0549-S, 2026-A-0890

SuSE: SUSE-SU-2026:4401-1

Detections

Analytics