CVE-2020-10958

PoC —

CVSS 3.1

5.3 medium

EPSS

6%p93

Published

May 18, 2020 (May 18, 2020)

Modified

Jun 17, 2026

Description

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.

Vendors: dovecot
Products: dovecot
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (6.1%)

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