CVE-2020-25275

High

Description

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.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Dovecot

PublishedJan 4, 2021

First seenJan 4, 2021

How to fix

Update

dovecot dovecot2.3.13 or later

Vendor advisories

debian.org/security/2021/dsa-4825
security.gentoo.org/glsa/202101-01
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/

Affected products

Product	Affected versions	Fixed in
dovecot dovecot	v < 2.3.13	2.3.13
debian debian_linux	10.0	—
fedoraproject fedora	32	—

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