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K
cvelistMitreCVELIST:CVE-2021-3181
HistoryJan 19, 2021 - 2:30 p.m.

CVE-2021-3181

2021-01-1914:30:37
mitre
www.cve.org
5
mutt
vulnerability
rfc822
denial of service

AI Score

6.7

Confidence

High

EPSS

0.012

Percentile

85.5%

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.