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RockyLinux 9 : python3.9 (RLSA-2026:54268)

high Nessus Plugin ID 335121

Synopsis

The remote RockyLinux host is missing a security update.

Description

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:54268 advisory.

 * python: cpython: CPython: tarfile extraction filter bypass allows escaping the destination directory (CVE-2026-11940)

Tenable has extracted the preceding description block directly from the RockyLinux 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 packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2491848

https://errata.rockylinux.org/RLSA-2026:54268

Plugin Details

Severity: High

ID: 335121

File Name: rocky_linux_RLSA-2026-54268.nasl

Version: 1.1

Type: Local

Published: 8/13/2026

Updated: 8/13/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.59

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-11940

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

CVSS v4

Risk Factor: High

Base Score: 7.8

Threat Score: 4.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:python-unversioned-command, p-cpe:/a:rocky:linux:python3-debug, p-cpe:/a:rocky:linux:python3-devel, p-cpe:/a:rocky:linux:python3-idle, p-cpe:/a:rocky:linux:python3-libs, p-cpe:/a:rocky:linux:python3-test, p-cpe:/a:rocky:linux:python3-tkinter, p-cpe:/a:rocky:linux:python3.9-debuginfo, p-cpe:/a:rocky:linux:python3.9-debugsource, p-cpe:/a:rocky:linux:python3

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 6/23/2026

Reference Information

CVE: CVE-2026-11940