FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

mutt -- denial of service

Affected packages
mutt < 2.0.5


VuXML ID 387bbade-5d1d-11eb-bf20-4437e6ad11c4
Discovery 2021-01-17
Entry 2021-01-23

Tavis Ormandy reports:

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.


CVE Name CVE-2021-3181