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Debian dsa-6549 : liblzma-dev - security update

high Nessus Plugin ID 363958

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-6549 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6549-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 07, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : xz-utils CVE ID : not yet available Debian Bug : 1147318

 It was discovered that an invalid memory write in the LZMA1 decoders of xz-utils, the XZ-format compression utilities, could result in denial of service or potentially the execution of arbitrary code.

 For the stable distribution (trixie), this problem has been fixed in version 5.8.1-1+deb13u2.

 We recommend that you upgrade your xz-utils packages.

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

 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 liblzma-dev packages.

See Also

https://packages.debian.org/source/trixie/xz-utils

https://security-tracker.debian.org/tracker/source-package/xz-utils

Plugin Details

Severity: High

ID: 363958

File Name: debian_DSA-6549.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/7/2026

Updated: 10/7/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:liblzma-dev, p-cpe:/a:debian:debian_linux:liblzma-doc, p-cpe:/a:debian:debian_linux:liblzma5-udeb, p-cpe:/a:debian:debian_linux:liblzma5, p-cpe:/a:debian:debian_linux:xz-utils, p-cpe:/a:debian:debian_linux:xzdec

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/7/2026

Vulnerability Publication Date: 10/7/2026