Debian dsa-6382 : postfix - security update

high Nessus Plugin ID 325514

Synopsis

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

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6382 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6382-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff July 07, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : postfix CVE ID : not yet available

Multiple security vulnerabilities were discovered in the Postfix mail transport agent, which could result in denial of service.

For the stable distribution (trixie), this problem has been fixed in version 3.10.12-0+deb13u2.

We recommend that you upgrade your postfix packages.

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

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

Solution

Upgrade the postfix packages.

See Also

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

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

Plugin Details

Severity: High

ID: 325514

File Name: debian_DSA-6382.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/7/2026

Updated: 7/7/2026

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:postfix, p-cpe:/a:debian:debian_linux:postfix-ldap, p-cpe:/a:debian:debian_linux:postfix-cdb, p-cpe:/a:debian:debian_linux:postfix-mysql, p-cpe:/a:debian:debian_linux:postfix-lmdb, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:postfix-pcre, p-cpe:/a:debian:debian_linux:postfix-sqlite, p-cpe:/a:debian:debian_linux:postfix-mongodb, p-cpe:/a:debian:debian_linux:postfix-doc, p-cpe:/a:debian:debian_linux:postfix-pgsql

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/7/2026

Vulnerability Publication Date: 7/7/2026