{"action":"Upgrade mutt to 2.0.5-1 or later.","affected":[{"fixed":"2.0.5-1","introduced":"0"}],"component":"mutt","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.0.5-1"],"id":"tcs_01M5NFNW8370QBPCGMJ9E0DZR8","modified_at":"2026-10-23T18:03:26.474529482Z","published_at":"2021-01-19T15:15:12.327Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3181","https://security-tracker.debian.org/tracker/CVE-2021-3181"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3181#Debian:13/mutt","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3181"}],"summary":"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 ("}