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Debian dsa-6147 : python-pil-doc - security update

critical Nessus Plugin ID 299778

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6147 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6147-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff February 20, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : pillow CVE ID : CVE-2026-25990

 Yarden Porat discovered that missing input sanitising in the PSD support of Pillow, a Python imaging library, could result in denial of service or the execution of arbitrary code if malformed images are processed.

 The oldstable distribution (bookworm) is not affected.

 For the stable distribution (trixie), this problem has been fixed in version 11.1.0-5+deb13u1.

 We recommend that you upgrade your pillow packages.

 For the detailed security status of pillow please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/pillow

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the python-pil-doc packages.

See Also

https://security-tracker.debian.org/tracker/source-package/pillow

https://security-tracker.debian.org/tracker/CVE-2026-25990

https://packages.debian.org/source/trixie/pillow

Plugin Details

Severity: Critical

ID: 299778

File Name: debian_DSA-6147.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/23/2026

Updated: 2/23/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-25990

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:python3-pil.imagetk, p-cpe:/a:debian:debian_linux:python3-pil, p-cpe:/a:debian:debian_linux:python-pil-doc

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2/20/2026

Vulnerability Publication Date: 2/11/2026

Reference Information

CVE: CVE-2026-25990