All vulnerabilities

Servers and applications

CVE-2017-15132

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.

Severity
High 7.5
Published
25 Jan 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.1% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Uncontrolled resource consumption (CWE-400)CWE-772
Attack
Over the network · No login needed · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • From 2.0.0 up to 2.2.33
  • Version 2.3.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-15132
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-15132