{"id":"CVE-2012-1593","aliases":["DEBIAN-CVE-2012-1593","EUVD-2012-1607","GHSA-7g8h-gv59-45hj"],"status":"published","title":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6...","description":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.","severity":{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11166,"percentile":0.95977,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2012-04-11T10:00:00Z","modified":"2026-10-23T17:47:30Z","exploits":[{"source":"exploitdb","id":"EDB-18758","title":"Wireshark - 'call_dissector()' Null Pointer Dereference Denial of Service","type":"dos","platform":"multiple","date":"2012-04-19","verified":true,"url":"https://www.exploit-db.com/exploits/18758"}],"fixes":[{"ecosystem":"Debian:12","package":"wireshark","fixed_in":["1.6.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wireshark","fixed_in":["1.6.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wireshark","fixed_in":["1.6.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.6-1"}]}]}],"products":[{"vendor":"wireshark","product":"wireshark"}],"references":[{"url":"http://www.exploit-db.com/exploits/18758","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"http://secunia.com/advisories/48986","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.wireshark.org/security/wnpa-sec-2012-04.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/03/28/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/48548","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://www.securitytracker.com/id?1026874","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://anonsvn.wireshark.org/viewvc?view=revision\u0026revision=40962","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/74361","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1593"},{"url":"https://github.com/advisories/GHSA-7g8h-gv59-45hj"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-1593","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-1593","description":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.","status":"published","published":"2012-04-11T10:00:00Z","modified":"2024-08-06T19:01:02.564Z","updated_at":"2026-11-02T14:34:52.27879Z"}],"euvd":[{"id":"EUVD-2012-1607","description":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.","status":"published","published":"2012-04-11T10:00:00Z","modified":"2024-08-06T19:01:02Z","updated_at":"2026-11-03T01:56:17.382633Z"}],"ghsa":[{"id":"GHSA-7g8h-gv59-45hj","title":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6...","description":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.","status":"published","published":"2022-05-14T04:02:46Z","modified":"2023-02-03T05:01:05Z","updated_at":"2026-11-02T14:52:54.419005Z"}],"nvd":[{"id":"CVE-2012-1593","description":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.","status":"published","published":"2012-04-11T10:39:26.577Z","modified":"2026-06-16T23:39:49.463Z","cvss":[{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:02:13.901526Z"}],"osv":[{"id":"CVE-2012-1593","description":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.","status":"published","published":"2012-04-11T10:39:26Z","modified":"2026-04-10T03:42:17.453607Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-1593","description":"epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.","status":"published","published":"2012-04-11T10:39:26.577Z","modified":"2026-10-23T17:47:30.122598091Z","updated_at":"2026-11-02T15:45:24.92418Z"}]}}