{"id":"DEBIAN-CVE-2026-43864","details":"mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.","modified":"2026-09-14T17:03:40.604892038Z","published":"2026-05-04T07:16:01.190Z","upstream":["CVE-2026-43864"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-43864"}],"affected":[{"package":{"name":"mutt","ecosystem":"Debian:12","purl":"pkg:deb/debian/mutt?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.12-0.1","2.2.12-0.1~deb12u1","2.2.13-1","2.2.9-1","2.2.9-1+deb12u1","2.3.2-1","2.4.0-1","2.4.1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43864.json"}},{"package":{"name":"mutt","ecosystem":"Debian:13","purl":"pkg:deb/debian/mutt?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.13-1+deb13u1"}]}],"versions":["2.2.13-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43864.json"}},{"package":{"name":"mutt","ecosystem":"Debian:14","purl":"pkg:deb/debian/mutt?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.2-1"}]}],"versions":["2.2.13-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43864.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L"}]}