USN-4110-1: 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
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 19.04
Ubuntu 18.04
Ubuntu 16.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-4110-3: mail-stack-delivery, dovecot-solr, dovecot-managesieved, dovecot-auth-lua, dovecot-pop3d, dovecot-lmtpd, dovecot-core, dovecot-sqlite, dovecot, dovecot-lucene, dovecot-sieve, dovecot-dev, dovecot-imapd, dovecot-ldap, dovecot-gssapi, dovecot-submissiond, dovecot-mysql, dovecot-pgsql
- USN-4110-4: mail-stack-delivery, dovecot-solr, dovecot-managesieved, dovecot-pop3d, dovecot-lmtpd, dovecot-core, dovecot-sqlite, dovecot, dovecot-sieve, dovecot-dev, dovecot-imapd, dovecot-ldap, dovecot-common, dovecot-gssapi, dovecot-mysql, dovecot-pgsql, dovecot-postfix
- USN-4110-2: mail-stack-delivery, dovecot-solr, dovecot-managesieved, dovecot-pop3d, dovecot-lmtpd, dovecot-core, dovecot-sqlite, dovecot, dovecot-sieve, dovecot-dev, dovecot-imapd, dovecot-ldap, dovecot-common, dovecot-gssapi, dovecot-mysql, dovecot-pgsql, dovecot-postfix