Debian dsa-6499 : libcjose-dev - security update

critical Nessus Plugin ID 346044

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-6499 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6499-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso September 15, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : cjose CVE ID : CVE-2026-53938 CVE-2026-53939

Two vulnerabilities were discovered in cjose, a C library implementing the JOSE standard, which could result in denial of service, execution of arbitrary code or plain text recovery in specific setups.

For the stable distribution (trixie), these problems have been fixed in version 0.6.2.3-1+deb13u1.

We recommend that you upgrade your cjose packages.

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

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 libcjose-dev packages.

Plugin Details

Severity: Critical

ID: 346044

File Name: debian_DSA-6499.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 9/15/2026

Updated: 9/15/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Percentile: 95.96

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-53939

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:libcjose-dev, p-cpe:/a:debian:debian_linux:libcjose0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2026

Vulnerability Publication Date: 9/8/2026

Reference Information

CVE: CVE-2026-53938, CVE-2026-53939

Detections

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