{"id":"CVE-2014-7844","aliases":["DEBIAN-CVE-2014-7844","DLA-113-1","DLA-114-1","DSA-3104-1","DSA-3105-1","EUVD-2014-7698","GHSA-v8v3-2m82-gr7p","MGASA-2014-0538","RHSA-2014:1999","SUSE-RU-2015:0876-1","UBUNTU-CVE-2014-7844","USN-2455-1","openSUSE-SU-2024:10561-1"],"status":"published","title":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted...","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0155,"percentile":0.75272,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2013-12-10T16:46:46Z","modified":"2026-10-23T16:01:42Z","fixes":[{"ecosystem":"Debian:12","package":"bsd-mailx","fixed_in":["8.1.2-0.20141216cvs-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"bsd-mailx","fixed_in":["8.1.2-0.20141216cvs-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"bsd-mailx","fixed_in":["8.1.2-0.20141216cvs-1"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"bsd-mailx","fixed_in":["8.1.2-0.20100314cvs-1+deb6u1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"bsd-mailx","fixed_in":["8.1.2-0.20111106cvs-1+deb7u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"bsd-mailx","fixed_in":["8.1.2-0.20131005cvs-1ubuntu0.14.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"heirloom-mailx","fixed_in":["12.5-2+deb7u1build0.14.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"bsd-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.2-0.20141216cvs-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"bsd-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.2-0.20141216cvs-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"bsd-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.2-0.20141216cvs-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"bsd-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.2-0.20100314cvs-1+deb6u1"}]}],"versions":["8.1.2-0.20100314cvs-1"]},{"source":"osv","ecosystem":"Debian:6.0","package":"heirloom-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.4-2+deb6u1"}]}],"versions":["12.4-2"],"bundled":2},{"source":"osv","ecosystem":"Debian:7","package":"bsd-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.2-0.20111106cvs-1+deb7u1"}]}],"versions":["8.1.2-0.20111106cvs-1"]},{"source":"osv","ecosystem":"Debian:7","package":"heirloom-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.5-2+deb7u1"}]}],"versions":["12.5-2"],"bundled":2},{"source":"osv","ecosystem":"Mageia:4","package":"nail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.4-9.1.mga4"}]}],"bundled":2},{"source":"osv","ecosystem":"Red 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Hat:enterprise_linux:7::computenode","package":"mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:12.5-12.el7_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"mailx-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:12.5-12.el7_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:12.5-12.el7_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"mailx-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:12.5-12.el7_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:12.5-12.el7_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"mailx-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:12.5-12.el7_0"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"bsd-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.2-0.20131005cvs-1ubuntu0.14.04.1"}]}],"versions":["8.1.2-0.20111106cvs-1ubuntu1","8.1.2-0.20131005cvs-1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"heirloom-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.5-2+deb7u1build0.14.04.1"}]}],"versions":["12.5-2"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"bsd-mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.2-0.20131005cvs-1ubuntu0.14.04.1"}]}],"versions":["8.1.2-0.20111106cvs-1ubuntu1","8.1.2-0.20131005cvs-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"mailx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.5-24.4"}]}],"bundled":2}],"products":[{"vendor":"bsd","product":"mailx"},{"vendor":"bsd_mailx_project","product":"bsd_mailx"},{"vendor":"debian","product":"debian_linux"},{"vendor":"redhat","product":"enterprise_linux_desktop"},{"vendor":"redhat","product":"enterprise_linux_server"},{"vendor":"redhat","product":"enterprise_linux_server_aus"},{"vendor":"redhat","product":"enterprise_linux_server_eus"},{"vendor":"redhat","product":"enterprise_linux_server_tus"},{"vendor":"redhat","product":"enterprise_linux_workstation"}],"references":[{"url":"http://seclists.org/oss-sec/2014/q4/1066","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Third Party Advisory","advisory","article","fix"]},{"url":"http://linux.oracle.com/errata/ELSA-2014-1999.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.debian.org/security/2014/dsa-3104","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.debian.org/security/2014/dsa-3105","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1999.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-7844","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2014:1999","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2014-7844","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1162783","tags":["report"]},{"url":"https://github.com/advisories/GHSA-v8v3-2m82-gr7p"},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-7844","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2014-0538.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=14828","tags":["report"]},{"url":"https://rhn.redhat.com/errata/RHSA-2014-1999.html","tags":["web"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_1999.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2004-2771","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2004-2771","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2771","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-7844","tags":["advisory","report"]},{"url":"https://www.suse.com/support/update/announcement//suse-ru-20150876-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/827010","tags":["report"]},{"url":"https://bugzilla.suse.com/853246","tags":["report"]},{"url":"https://bugzilla.suse.com/909208","tags":["report"]},{"url":"https://bugzilla.suse.com/922543","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2004-2771","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-7844","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2014-7844","tags":["report"]},{"url":"https://marc.info/?l=oss-security\u0026m=141875285203183\u0026w=2","tags":["report"]},{"url":"https://www.debian.org/security/2014/dsa-3104","tags":["report"]},{"url":"https://www.debian.org/security/2014/dsa-3105","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2455-1","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2014-7844","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","status":"published","published":"2020-01-14T16:13:01Z","modified":"2024-08-06T13:03:27.517Z","updated_at":"2026-11-02T14:33:46.631905Z"}],"euvd":[{"id":"EUVD-2014-7698","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","status":"published","published":"2020-01-14T16:13:01Z","modified":"2024-08-06T13:03:27Z","updated_at":"2026-11-03T01:56:53.794428Z"}],"ghsa":[{"id":"GHSA-v8v3-2m82-gr7p","title":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted...","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","status":"published","published":"2022-05-17T19:57:17Z","modified":"2023-02-10T05:07:19Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:54:03.896291Z"}],"nvd":[{"id":"CVE-2014-7844","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","status":"published","published":"2020-01-14T17:15:11.94Z","modified":"2026-06-17T00:15:48.873Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:02:59.461996Z"}],"osv":[{"id":"CVE-2014-7844","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","status":"published","published":"2020-01-14T17:15:11Z","modified":"2026-04-16T06:15:21.418280359Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:43:59.654289Z"},{"id":"DEBIAN-CVE-2014-7844","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","status":"published","published":"2020-01-14T17:15:11.94Z","modified":"2026-10-23T16:01:42.212328239Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:26.442161Z"},{"id":"UBUNTU-CVE-2014-7844","description":"BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.","status":"published","published":"2014-12-16T00:00:00Z","modified":"2026-02-04T02:59:26.886504Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:09.378953Z"},{"id":"DLA-113-1","title":"bsd-mailx - security update","status":"published","published":"2014-12-17T00:00:00Z","modified":"2026-03-09T01:00:52.246472Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DLA-114-1","title":"heirloom-mailx - security update","status":"published","published":"2014-12-17T00:00:00Z","modified":"2026-03-09T01:00:55.092803Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DSA-3104-1","title":"bsd-mailx - security update","status":"published","published":"2014-12-16T00:00:00Z","modified":"2026-03-09T01:18:35.821077Z","updated_at":"2026-11-02T15:46:15.843838Z"},{"id":"DSA-3105-1","title":"heirloom-mailx - security update","status":"published","published":"2014-12-16T00:00:00Z","modified":"2026-03-09T01:20:10.028792Z","updated_at":"2026-11-02T15:46:15.843838Z"},{"id":"MGASA-2014-0538","title":"Updated nail package fixes security vulnerabilities","description":"Updated nail package fixes security vulnerabilities:\n\nA flaw was found in the way mailx handled the parsing of email addresses.\nA syntactically valid email address could allow a local attacker to cause\nmailx to execute arbitrary shell commands through shell meta-characters and\nthe direct command execution functionality (CVE-2004-2771, CVE-2014-7844).\n","status":"published","published":"2014-12-19T15:06:35Z","modified":"2026-04-16T06:23:17.836766494Z","updated_at":"2026-11-02T15:49:39.488462Z"},{"id":"openSUSE-SU-2024:10561-1","title":"mailx-12.5-24.4 on GA media","description":"These are all security issues fixed in the mailx-12.5-24.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:50:30.043252Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"RHSA-2014:1999","title":"Red Hat Security Advisory: mailx security update","status":"published","published":"2024-09-15T22:14:45Z","modified":"2026-06-26T10:25:51Z","updated_at":"2026-11-02T15:53:02.532052Z"},{"id":"SUSE-RU-2015:0876-1","title":"Recommended update for mailx","description":"\nThis update for mailx enables IPv6 support and includes the following \nfixes:\n\n    * Crop off the brackets of an ipv6 address if found. (bnc#853246)\n    * Enable mailx to parse IPv6 addresses including a port ([ipv6]:port).\n      (bnc#853246)\n    * Do not pseudo detect Latin nor UTF-8 in binary attachments.\n      (bnc#827010)\n\n","status":"published","published":"2013-12-10T16:46:46Z","modified":"2026-02-04T02:23:23.465934Z","updated_at":"2026-11-02T15:53:41.276824Z"},{"id":"USN-2455-1","title":"bsd-mailx vulnerability","description":"It was discovered that bsd-mailx contained a feature that allowed\nsyntactically valid email addresses to be treated as shell commands. A\nremote attacker could possibly use this issue with a valid email address to\nexecute arbitrary commands.\n\nThis functionality has now been disabled by default, and can be re-enabled\nwith the \"expandaddr\" configuration option. This update alone does not\nremove all possibilities of command execution. In environments where\nscripts use mailx to process arbitrary email addresses, it is recommended\nto modify them to use a \"--\" separator before the address to properly\nhandle those that begin with \"-\". In addition, specifying sendmail options\nafter the \"--\" separator is no longer supported, existing scripts may need\nto be modified to use the \"-a\" option instead.\n","status":"published","published":"2015-01-07T19:26:56Z","modified":"2026-02-10T04:40:51Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}