Debian dsa-6430 : postfix - security update

high Nessus Plugin ID 334532

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-6430 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6430-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso August 11, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : postfix CVE ID : not yet available

Several vulnerabilities were discovered in postfix, a high-performance mail transport agent, which could result in denial of service or policy bypass.

For the stable distribution (trixie), these problems have been fixed in version 3.10.13-0+deb13u1.

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.

Plugin Details

Severity: High

ID: 334532

File Name: debian_DSA-6430.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 8/11/2026

Updated: 8/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/11/2026

Vulnerability Publication Date: 8/11/2026

Detections

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