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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
The Dovecot Project dovecot
2.0 up to 2.2.33 and 2.3.0affected
References
- https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch ↗
- https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1532768 ↗
- https://www.debian.org/security/2018/dsa-4130 ↗
- https://usn.ubuntu.com/3556-1/ ↗
- https://usn.ubuntu.com/3556-2/ ↗
- https://www.dovecot.org/list/dovecot-news/2018-February/000370.html ↗