USN-4110-2: Dovecot vulnerability
28 August 2019
Dovecot could be made to crash or execute arbitrary code if it received a specially crafted data.
Releases
Packages
- dovecot - IMAP and POP3 email server
Details
USN-4110-1 fixed a vulnerability in Dovecot. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
Nick Roessler and Rafi Rubin discovered that Dovecot incorrectly
handled certain data. An attacker could possibly use this issue
to cause a denial of service or execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-4110-3: dovecot-auth-lua, dovecot-managesieved, dovecot-gssapi, dovecot-pop3d, dovecot-lucene, dovecot-solr, dovecot-dev, dovecot-lmtpd, dovecot-pgsql, dovecot-core, dovecot-mysql, dovecot-submissiond, dovecot-sqlite, dovecot, dovecot-sieve, dovecot-imapd, dovecot-ldap, mail-stack-delivery
- USN-4110-4: dovecot-managesieved, dovecot-pop3d, dovecot-gssapi, dovecot-postfix, dovecot-solr, dovecot-dev, dovecot-lmtpd, dovecot-common, dovecot-core, dovecot-mysql, dovecot-pgsql, dovecot-sqlite, dovecot, dovecot-sieve, dovecot-imapd, dovecot-ldap, mail-stack-delivery
- USN-4110-1: dovecot-auth-lua, dovecot-managesieved, dovecot-gssapi, dovecot-pop3d, dovecot-lucene, dovecot-solr, dovecot-dev, dovecot-lmtpd, dovecot-pgsql, dovecot-core, dovecot-mysql, dovecot-submissiond, dovecot-sqlite, dovecot, dovecot-sieve, dovecot-imapd, dovecot-ldap, mail-stack-delivery