{"id":"CVE-2024-49395","aliases":["CLSA-2026-1783344253","CLSA-2026-1783694989","DEBIAN-CVE-2024-49395","EUVD-2024-43422","GHSA-88hm-mv53-m5h7","UBUNTU-CVE-2024-49395"],"status":"published","title":"Mutt: neomutt: bcc email header field is indirectly leaked by cryptographic info block","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00305,"percentile":0.23577,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1230"],"published":"2024-11-12T02:08:03Z","modified":"2026-11-06T14:29:36Z","fixes":[{"ecosystem":"TuxCare:AlmaLinux:9.2","package":"mutt","fixed_in":["5:2.2.6-1.el9_2.tuxcare.els2"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"mutt","fixed_in":["5:2.2.6-2.el9_6.tuxcare.els2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:2.2.6-1.el9_2.tuxcare.els2"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:2.2.6-2.el9_6.tuxcare.els2"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mutt","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","2.4.1-1.1"]},{"source":"osv","ecosystem":"Debian:13","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.13-1","2.2.13-1+deb13u1","2.2.13-1+deb13u2","2.3.2-1","2.4.0-1","2.4.1-1","2.4.1-1.1"]},{"source":"osv","ecosystem":"Debian:14","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.13-1","2.3.2-1","2.4.0-1","2.4.1-1","2.4.1-1.1"]},{"source":"osv","ecosystem":"Debian:12","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20220429+dfsg1-4.1","20231103+dfsg1-1","20240425+dfsg-1","20240425+dfsg-2","20241002+dfsg-1","20241002+dfsg-1~bpo12+1","20241114+dfsg-1","20241114+dfsg1-1","20241212+dfsg-1","20241212+dfsg-2","20250109+dfsg-1","20250113+dfsg-1","20250113+dfsg-1~bpo12+1","20250404+dfsg-1","20250404+dfsg-1~bpo12+1","20250404+dfsg-2","20250404+dfsg-2~bpo12+1","20250404+dfsg-2~bpo12+2","20250510+dfsg-1","20250510+dfsg-2","20250510+dfsg-2~bpo12+1","20250905+dfsg-1","20251211+dfsg-1","20260105+dfsg-1","20260105+dfsg-1~bpo13+1","20260406+dfsg-1","20260504+dfsg-1","20260616+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20250510+dfsg-2","20250905+dfsg-1","20251211+dfsg-1","20260105+dfsg-1","20260105+dfsg-1~bpo13+1","20260406+dfsg-1","20260504+dfsg-1","20260616+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20250510+dfsg-2","20250905+dfsg-1","20251211+dfsg-1","20260105+dfsg-1","20260105+dfsg-1~bpo13+1","20260406+dfsg-1","20260504+dfsg-1","20260616+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.23-3.1ubuntu1","1.5.23-3.1ubuntu2","1.5.24-1","1.5.24-1build1","1.5.24-1ubuntu0.1","1.5.24-1ubuntu0.2","1.5.24-1ubuntu0.3","1.5.24-1ubuntu0.4","1.5.24-1ubuntu0.5","1.5.24-1ubuntu0.6","1.5.24-1ubuntu0.6+esm2","1.5.24-1ubuntu0.6+esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.3+neomutt20170609-2build1","1.9.1-2","1.9.1-3","1.9.1-4","1.9.1-5","1.9.2-1","1.9.3-1","1.9.4-2","1.9.4-3","1.9.4-3ubuntu0.1","1.9.4-3ubuntu0.2","1.9.4-3ubuntu0.3","1.9.4-3ubuntu0.4","1.9.4-3ubuntu0.5","1.9.4-3ubuntu0.6","1.9.4-3ubuntu0.6+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20171027-1","20171027-2","20171027+dfsg.1-1","20171027+dfsg.1-2","20171027+dfsg.1-4","20171208+dfsg.1-1","20171208+dfsg.1-2","20171215+dfsg.1-1","20171215+dfsg.1-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.1-2.1","1.12.2-1","1.12.2-2","1.13.0-1","1.13.2-1","1.13.2-1ubuntu0.1","1.13.2-1ubuntu0.2","1.13.2-1ubuntu0.3","1.13.2-1ubuntu0.4","1.13.2-1ubuntu0.5","1.13.2-1ubuntu0.6"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20180716+dfsg.1-1.2","20191111+dfsg.1-1","20191207+dfsg.1-1.1","20191207+dfsg.1-1.1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.5-4.1build1","2.1.3-1","2.1.4-1","2.1.4-1build1","2.1.4-1ubuntu1.1","2.1.4-1ubuntu1.2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20201127+dfsg.1-1.2","20211029+dfsg1-1","20211029+dfsg1-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.9-1","2.2.9-1ubuntu0.23.10.1","2.2.12-0.1","2.2.12-0.1build2","2.2.12-0.1build3","2.2.12-0.1build4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20220429+dfsg1-4.1","20231103+dfsg1-1","20231103+dfsg1-1build2","20231103+dfsg1-1build3","20231103+dfsg1-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.13-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20250113+dfsg-1","20250404+dfsg-2","20250510+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.13-1build2","2.3.2-1","2.4.0-1","2.4.1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20260105+dfsg-1build1","20260504+dfsg-1","20260616+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.13-1","2.2.13-1build1","2.2.13-1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"neomutt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20250510+dfsg-2","20250905+dfsg-1","20251211+dfsg-1","20260105+dfsg-1","20260105+dfsg-1build1"]}],"products":[{"vendor":"mutt","product":"mutt"},{"vendor":"neomutt","product":"neomutt"},{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"},{"vendor":"redhat","product":"enterprise_linux"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2024-49395","tags":["vdb-entry","x_refsource_REDHAT","Third Party Advisory","advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2325332","tags":["issue-tracking","x_refsource_REDHAT","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/neomutt/neomutt/issues/4223#issuecomment-2040209956"},{"url":"https://github.com/neomutt/neomutt/pull/4221"},{"url":"https://github.com/neomutt/neomutt/pull/4227"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49395","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-88hm-mv53-m5h7"},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1783344253.html","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1783694989.html","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-49395","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-49395","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-49395","tags":["report"]},{"url":"https://gitlab.com/muttmua/mutt/-/issues/490#note_2209448655","tags":["report"]},{"url":"http://mutt.org/doc/manual/#crypt-protected-headers-read","tags":["report"]},{"url":"https://github.com/neomutt/neomutt/issues/4234","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-49395","title":"Mutt: neomutt: bcc email header field is indirectly leaked by cryptographic info block","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","status":"published","published":"2024-11-12T02:08:03.548Z","modified":"2026-11-06T14:29:36.987Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1230"],"updated_at":"2026-11-06T15:28:32.799664Z"}],"euvd":[{"id":"EUVD-2024-43422","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","status":"published","published":"2024-11-12T02:08:03Z","modified":"2026-11-06T14:29:36Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-06T15:05:10.688381Z"}],"ghsa":[{"id":"GHSA-88hm-mv53-m5h7","title":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the...","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","status":"published","published":"2024-11-12T03:30:48Z","modified":"2026-06-26T03:31:25Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-1230"],"updated_at":"2026-11-02T15:08:59.978633Z"}],"nvd":[{"id":"CVE-2024-49395","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","status":"published","published":"2024-11-12T03:15:03.91Z","modified":"2026-11-06T15:17:03.007Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-1230"],"updated_at":"2026-11-06T18:00:49.930273Z"}],"osv":[{"id":"CVE-2024-49395","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","status":"published","published":"2024-11-12T03:15:03.91Z","modified":"2026-04-10T05:17:57.579046Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:43.597758Z"},{"id":"DEBIAN-CVE-2024-49395","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","status":"published","published":"2024-11-12T03:15:03.91Z","modified":"2026-11-07T09:47:32.158347998Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-07T10:14:39.995311Z"},{"id":"UBUNTU-CVE-2024-49395","description":"In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.","status":"published","published":"2024-11-12T03:15:00Z","modified":"2026-10-17T12:56:45.631569871Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:06.818511Z"},{"id":"CLSA-2026-1783344253","title":"mutt: Fix of CVE-2024-49395","description":"- CVE-2024-49395: show encryption information block to prevent Bcc recipient leak","status":"published","published":"2026-07-06T13:24:28Z","modified":"2026-10-26T09:30:09.78918118Z","updated_at":"2026-11-02T15:43:45.794021Z"},{"id":"CLSA-2026-1783694989","title":"mutt: Fix of CVE-2024-49395","description":"- CVE-2024-49395: fix missing display of encryption recipients in GPGME","status":"published","published":"2026-07-10T14:50:05Z","modified":"2026-10-26T09:31:15.725237368Z","updated_at":"2026-11-02T15:43:46.151924Z"}]}}