Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.
https://www.debian.org/security/2021/dsa-4825
https://security.gentoo.org/glsa/202101-01
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
http://www.openwall.com/lists/oss-security/2021/01/04/3
http://seclists.org/fulldisclosure/2021/Jan/18
http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html
https://dovecot.org/security
https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html
Source: Mitre, NVD
Published: 2021-01-04
Updated: 2023-11-07
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.03357