[DSA 6313-1] dovecot security update

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Debian Security Advisory DSA-6313-1                   [email protected]
https://www.debian.org/security/                       Moritz Muehlenhoff
May 31, 2026                          https://www.debian.org/security/faq
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Package        : dovecot
CVE ID         : CVE-2026-33603 CVE-2026-40016 CVE-2026-40020
                 CVE-2026-42006 CVE-2026-27851

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 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/

Mailing list: [email protected]
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