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Debian dsa-6486 : libde265-0 - security update

high Nessus Plugin ID 343406

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6486 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6486-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff September 06, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : libde265 CVE ID : CVE-2026-33164 CVE-2026-33165

 Two security issues were discovered in libde265, an implementation of the H.265 video codec which may result in denial of service or potentially the execution of arbitrary code if a malformed media file is processed.

 For the stable distribution (trixie), these problems have been fixed in version 1.0.15-1+deb13u2.

 We recommend that you upgrade your libde265 packages.

 For the detailed security status of libde265 please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/libde265

 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 these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libde265-0 packages.

See Also

https://packages.debian.org/source/trixie/libde265

https://security-tracker.debian.org/tracker/CVE-2026-33164

https://security-tracker.debian.org/tracker/CVE-2026-33165

https://security-tracker.debian.org/tracker/source-package/libde265

Plugin Details

Severity: High

ID: 343406

File Name: debian_DSA-6486.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/6/2026

Updated: 9/6/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.52

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-33164

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:libde265-0, p-cpe:/a:debian:debian_linux:libde265-dev, p-cpe:/a:debian:debian_linux:libde265-examples

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/6/2026

Vulnerability Publication Date: 3/20/2026

Reference Information

CVE: CVE-2026-33164, CVE-2026-33165