Security Advisory

CVE-2021-3181

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-01-19 14:30:37

Last updated 2024-08-03 16:45:51

Assigner mitre

State PUBLISHED

Description

rfc822.c in Mutt through 2.0.4 allows remote attackers to cause a denial of service (mailbox unavailability) by sending email messages with sequences of semicolon characters in RFC822 address fields (aka terminators of empty groups). A small email message from the attacker can cause large memory consumption, and the victim may then be unable to see email messages from other persons.

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