CVE-2020-7957

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Feb 12, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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