Debian dsa-6252 : prosody - security update

high Nessus Plugin ID 313163

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Synopsis

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

Description

The remote Debian 12 / 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6252 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6252-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 07, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : prosody CVE ID : CVE-2026-43504 CVE-2026-43505 CVE-2026-43506 CVE-2026-43507

Multiple security issues were found in Prosody, a lightweight Jabber/XMPP server, which could result in denial of service or insufficient access control when using the SOCKS5 proxy module.

For the oldstable distribution (bookworm), these problems have been fixed in version 0.12.3-1+deb12u1.

For the stable distribution (trixie), these problems have been fixed in version 13.0.1-1+deb131u.

We recommend that you upgrade your prosody packages.

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

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 prosody packages.

Plugin Details

Severity: High

ID: 313163

File Name: debian_DSA-6252.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 5/7/2026

Updated: 5/7/2026

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: Low

Score: 3

Percentile: 23.66

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-2026-43507

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: p-cpe:/a:debian:debian_linux:prosody, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/7/2026

Vulnerability Publication Date: 5/1/2026

Reference Information

CVE: CVE-2026-43504, CVE-2026-43505, CVE-2026-43506, CVE-2026-43507

Detections

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