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Debian dla-4489 : libvpx-dev - security update

high Nessus Plugin ID 299751

Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4489 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4489-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz February 22, 2026 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : libvpx Version : 1.9.0-1+deb11u5 CVE ID : CVE-2026-2447


 A buffer overflow was discovered in libvpx, a library implementing the VP8/VP9 open video codecs, which could result in denial of service or potentially the execution of arbitrary code.


 For Debian 11 bullseye, this problem has been fixed in version 1.9.0-1+deb11u5.

 We recommend that you upgrade your libvpx packages.

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

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

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 libvpx-dev packages.

See Also

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

https://security-tracker.debian.org/tracker/CVE-2026-2447

https://packages.debian.org/source/bullseye/libvpx

Plugin Details

Severity: High

ID: 299751

File Name: debian_DLA-4489.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/22/2026

Updated: 2/22/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-2447

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libvpx6, p-cpe:/a:debian:debian_linux:libvpx-dev, p-cpe:/a:debian:debian_linux:vpx-tools, p-cpe:/a:debian:debian_linux:libvpx-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: 2/22/2026

Vulnerability Publication Date: 2/16/2026

Reference Information

CVE: CVE-2026-2447