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Debian Postfix Denial of Service Threat Advisory DSA-6382-1

debian
Calendar Grey July 7, 2026
Debian Logo
Multiple vulnerabilities in Postfix lead to denial of service - update urgently recommended to maintain system security.
Multiple security vulnerabilities were discovered in the Postfix mail transport agent, which could result in denial of service
Topics%20covered

Topics Covered

security advisory denial of service security issue update debian postfix

Summary

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/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: postfix
CVE ID: not yet available

Topics%20covered

Topics Covered

security advisory denial of service security issue update debian postfix

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