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Debian LTS Advisory DLA-3860-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Guilhem Moulin
September 02, 2024 https://wiki.debian.org/LTS
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Package : dovecot
Version : 1:2.3.13+dfsg1-2+deb11u2
CVE ID : CVE-2024-23184 CVE-2024-23185
Debian Bug : 1078876 1078877
Vulnerabilities were discovered in dovecot, an POP3/IMAP server, which
could lead to Denial of Service.
CVE-2024-23184
Having a large number of address headers (From, To, Cc, Bcc, etc.)
becomes excessively CPU intensive.
CVE-2024-23185
Very large headers can cause resource exhaustion when parsing
message.
For Debian 11 bullseye, these problems have been fixed in version
1:2.3.13+dfsg1-2+deb11u2.
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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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