Debian dla-4779 : jbig2dec - security update

high Nessus Plugin ID 345684

Synopsis

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

Description

The remote Debian 12 host has packages installed that are affected by a vulnerability as referenced in the dla-4779 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4779-1 [email protected] https://www.debian.org/lts/security/ Andreas Henriksson September 14, 2026 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : jbig2dec Version : 0.19-3+deb12u1 CVE ID : CVE-2026-38076 Debian Bug : 1142282

It was discovered that missing input sanitising in the JBIG2 decoder library could result in denial of service.

For Debian 12 bookworm, this problem has been fixed in version 0.19-3+deb12u1.

We recommend that you upgrade your jbig2dec packages.

For the detailed security status of jbig2dec please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/jbig2dec

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 Attachment:
signature.asc Description: PGP signature

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 jbig2dec packages.

Plugin Details

Severity: High

ID: 345684

File Name: debian_DLA-4779.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 9/14/2026

Updated: 9/14/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

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-2026-38076

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:jbig2dec, p-cpe:/a:debian:debian_linux:libjbig2dec0-dev, p-cpe:/a:debian:debian_linux:libjbig2dec0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/14/2026

Vulnerability Publication Date: 7/9/2026

Reference Information

CVE: CVE-2026-38076

Detections

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