CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LCVE-2020-10958
Medium (5.3) in dovecot dovecot. EPSS 6.1% chance of exploitation in the next 30 days.
In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.
Severity
- EPSS
- 6.1% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
- CWE
- CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- dovecot:dovecot
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
- http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2020/May/37
- http://www.openwall.com/lists/oss-security/2020/05/18/1
- https://dovecot.org/security