|Description||A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)|
|NVD severity||medium (attack range: remote)|
Vulnerable and fixed packages
The table below lists information on source packages.
|dovecot (PTS)||jessie (security), jessie||1:2.2.13-12~deb8u4||fixed|
|stretch (security), stretch||1:2.2.27-3+deb9u2||fixed|
The information below is based on the following data on fixed versions.
Fixed by: https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch
Regression fix needed on top: https://github.com/dovecot/core/commit/a9b135760aea6d1790d447d351c56b78889dac22