Debian: Dovecot Critical Authentication Flaw DSA-6019-1
debian
October 5, 2025
A flaw with the authentication cache management was discovered in the Dovecot email server, which could result in users being logged in as the wrong user in certain configurations
Summary
For the stable distribution (trixie), this problem has been fixed in
version 1:2.4.1+dfsg1-6+deb13u1.
We recommend that you upgrade your dovecot packages.
For the detailed security status of dovecot please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/dovecot
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/
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