{"id":"CVE-2017-9146","aliases":["DEBIAN-CVE-2017-9146","EUVD-2017-18084","GHSA-798c-jx77-ccgp","UBUNTU-CVE-2017-9146","USN-3667-1"],"status":"published","title":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a...","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02393,"percentile":0.84088,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2017-05-22T00:00:00Z","modified":"2026-10-20T10:50:11Z","fixes":[{"ecosystem":"Debian:12","package":"libytnef","fixed_in":["1.9.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libytnef","fixed_in":["1.9.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libytnef","fixed_in":["1.9.3-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"libytnef","fixed_in":["1.5-6ubuntu0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-6ubuntu0.2"}]}],"versions":["1.5-5","1.5-6","1.5-6ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5-6","1.5-9","1.5-9ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2-2"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-6ubuntu0.2"}]}],"versions":["1.5-5","1.5-6","1.5-6ubuntu0.1"],"bundled":5}],"products":[{"vendor":"ytnef_project","product":"ytnef"}],"references":[{"url":"https://usn.ubuntu.com/3667-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862707","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/Yeraze/ytnef/issues/47","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9146"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ"},{"url":"https://usn.ubuntu.com/3667-1"},{"url":"https://github.com/advisories/GHSA-798c-jx77-ccgp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-9146","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-9146","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3667-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-9146","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9058","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9471","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9473","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-12141","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-9146","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","status":"published","published":"2017-05-22T18:00:00Z","modified":"2024-08-05T16:55:22.358Z","updated_at":"2026-11-02T14:33:13.96587Z"}],"euvd":[{"id":"EUVD-2017-18084","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","status":"published","published":"2017-05-22T18:00:00Z","modified":"2024-08-05T16:55:22Z","updated_at":"2026-11-03T02:23:28.642509Z"}],"ghsa":[{"id":"GHSA-798c-jx77-ccgp","title":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a...","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","status":"published","published":"2022-05-14T01:01:12Z","modified":"2025-04-20T03:39:06Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:46.859213Z"}],"nvd":[{"id":"CVE-2017-9146","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","status":"published","published":"2017-05-22T18:29:00.223Z","modified":"2026-06-17T01:27:33.753Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:49.449157Z"}],"osv":[{"id":"CVE-2017-9146","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","status":"published","published":"2017-05-22T18:29:00.223Z","modified":"2026-10-20T10:50:11.434137715Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.868403Z"},{"id":"DEBIAN-CVE-2017-9146","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","status":"published","published":"2017-05-22T18:29:00.223Z","modified":"2026-09-01T20:03:05.34021846Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-9146","description":"The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.","status":"published","published":"2017-05-22T00:00:00Z","modified":"2026-04-22T11:36:05.901533Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.154988Z"},{"id":"USN-3667-1","title":"libytnef vulnerabilities","description":"It was discovered that libytnef incorrectly handled certain files.\nAn attacker could possibly use this to cause a denial of service.\n(CVE-2017-12141, CVE-2017-9146, CVE-2017-9471, CVE-2017-9473)\n\nIt was discovered that libytnef incorrectly handled certain files.\nAn attacker could possibly use this to access sensitive information.\n(CVE-2017-9058)\n","status":"published","published":"2018-05-31T19:40:42Z","modified":"2026-04-27T15:20:23.120535Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}