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Debian DSA-6313-1 Dovecot Important Multiple Attacks MitM SQL Injection

debian
Calendar Grey May 31, 2026
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Debian DSA-6313-1 addresses important Dovecot vulnerabilities that lead to DoS, SQL injections or MITM attacks.
Multiple vulnerabilities have been discovered in the Dovecot IMAP server which way result in denial of service, SQL injection or man-in-the-midddle attacks For the oldstable distri...
Topics%20covered

Topics Covered

security advisory denial of service SQL Injection important man-in-the-middle Dovecot

Summary

For the oldstable distribution (bookworm), these problems have been fixed
in version 1:2.3.19.1+dfsg1-2.1+deb12u6.

For the stable distribution (trixie), these problems have been fixed in
version 1:2.4.1+dfsg1-6+deb13u6.

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/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/



Severity
important
Lowest
Low
Medium
High
Critical

Package: dovecot
CVE ID: CVE-2026-33603 CVE-2026-40016 CVE-2026-40020

Topics%20covered

Topics Covered

security advisory denial of service SQL Injection important man-in-the-middle Dovecot

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