CVE-2017-15132
An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.12% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-772
- Affected
- dovecot/dovecot · debian/debian linux · canonical/ubuntu linux
- Source
- secalert@redhat.com
EPSS 3.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1532768Issue Tracking, Patch, Third Party Advisory
- https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patchPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00036.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3556-1/Third Party Advisory
- https://usn.ubuntu.com/3556-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4130Third Party Advisory
- https://www.dovecot.org/list/dovecot-news/2018-February/000370.htmlVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1532768Issue Tracking, Patch, Third Party Advisory
- https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patchPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00036.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3556-1/Third Party Advisory
- https://usn.ubuntu.com/3556-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4130Third Party Advisory
- https://www.dovecot.org/list/dovecot-news/2018-February/000370.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.