USN-7013-1: Dovecot vulnerabilities
16 September 2024
Several security issues were fixed in Dovecot.
Releases
Packages
- dovecot - IMAP and POP3 email server
Details
It was discovered that Dovecot incorrectly handled a large number of
address headers. A remote attacker could possibly use this issue to cause
Dovecot to consume resources, leading to a denial of service.
(CVE-2024-23184)
It was discovered that Dovecot incorrectly handled very large headers. A
remote attacker could possibly use this issue to cause Dovecot to consume
resources, leading to a denial of service. (CVE-2024-23185)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-6982-1: dovecot-sqlite, dovecot-imapd, dovecot, dovecot-core, dovecot-sieve, dovecot-managesieved, dovecot-solr, dovecot-lmtpd, dovecot-pop3d, dovecot-submissiond, dovecot-pgsql, dovecot-mysql, dovecot-gssapi, dovecot-ldap, dovecot-dev, dovecot-auth-lua