Home / mailings [SECURITY] [DSA 6430-1] postfix security update
Posted on 11 August 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6430-1 security@debian.org
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: debian-security-announce@lists.debian.org
