{"id":"CVE-2017-6299","aliases":["DEBIAN-CVE-2017-6299","DLA-878-1","DSA-3846-1","EUVD-2017-15360","GHSA-48mr-3phh-9xcg","MGASA-2017-0174","UBUNTU-CVE-2017-6299","USN-3288-1","USN-4615-1"],"status":"published","title":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9....","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01175,"percentile":0.67754,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-835"],"published":"2017-02-23T00:00:00Z","modified":"2026-10-20T10:47:40Z","fixes":[{"ecosystem":"Debian:12","package":"libytnef","fixed_in":["1.9.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libytnef","fixed_in":["1.9.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libytnef","fixed_in":["1.9.1-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"libytnef","fixed_in":["1.5-6ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"libytnef","fixed_in":["1.5-9ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.1-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-4+deb7u1"}]}],"versions":["1.5-4"],"bundled":10},{"source":"osv","ecosystem":"Debian:8","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-6+deb8u1"}]}],"versions":["1.5-6"],"bundled":12},{"source":"osv","ecosystem":"Mageia:5","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-10.2.mga5"}]}],"bundled":13},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-6ubuntu0.1"}]}],"versions":["1.5-5","1.5-6"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-9ubuntu0.1"}]}],"versions":["1.5-6","1.5-9"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-6ubuntu0.1"}]}],"versions":["1.5-5","1.5-6"],"bundled":12},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libytnef","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5-9ubuntu0.1"}]}],"versions":["1.5-6","1.5-9"],"bundled":12}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"ytnef_project","product":"ytnef"}],"references":[{"url":"http://www.securityfocus.com/bid/96423","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2017/02/15/4","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/Yeraze/ytnef/pull/27","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"http://www.debian.org/security/2017/dsa-3846","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.x41-dsec.de/lab/advisories/x41-2017-002-ytnef/","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"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-2017-6299"},{"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://www.x41-dsec.de/lab/advisories/x41-2017-002-ytnef"},{"url":"https://github.com/advisories/GHSA-48mr-3phh-9xcg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-6299","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2017-0174.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=20893","tags":["report"]},{"url":"http://openwall.com/lists/oss-security/2017/02/15/4","tags":["web"]},{"url":"https://www.debian.org/security/2017/dsa-3846","tags":["web"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862556","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6299","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3288-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4615-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-6299","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6298","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6300","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6301","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6302","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6303","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6304","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6305","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6306","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6800","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6801","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-6802","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-6299","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","status":"published","published":"2017-02-24T04:23:00Z","modified":"2024-08-05T15:25:48.952Z","updated_at":"2026-11-02T14:33:16.916541Z"}],"euvd":[{"id":"EUVD-2017-15360","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","status":"published","published":"2017-02-24T04:23:00Z","modified":"2024-08-05T15:25:48Z","updated_at":"2026-11-03T02:39:13.005576Z"}],"ghsa":[{"id":"GHSA-48mr-3phh-9xcg","title":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9....","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","status":"published","published":"2022-05-13T01:46:29Z","modified":"2025-04-20T03:34:26Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T15:01:41.934315Z"}],"nvd":[{"id":"CVE-2017-6299","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","status":"published","published":"2017-02-24T04:59:00.297Z","modified":"2026-06-17T01:22:05.873Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:03:43.325192Z"}],"osv":[{"id":"CVE-2017-6299","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","status":"published","published":"2017-02-24T04:59:00.297Z","modified":"2026-10-20T10:47:40.097396975Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:06.029968Z"},{"id":"DEBIAN-CVE-2017-6299","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","status":"published","published":"2017-02-24T04:59:00.297Z","modified":"2026-09-01T20:03:49.011475434Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:29.412243Z"},{"id":"UBUNTU-CVE-2017-6299","description":"An issue was discovered in ytnef before 1.9.1. This is related to a patch described as \"2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c.\"","status":"published","published":"2017-02-23T00:00:00Z","modified":"2026-04-22T11:28:24.358732Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:15.388065Z"},{"id":"DLA-878-1","title":"libytnef - security update","status":"published","published":"2017-03-28T00:00:00Z","modified":"2026-03-09T02:11:20.72916Z","updated_at":"2026-11-02T15:46:13.584509Z"},{"id":"DSA-3846-1","title":"libytnef - security update","status":"published","published":"2017-05-09T00:00:00Z","modified":"2026-03-09T01:21:10.700263Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"MGASA-2017-0174","title":"Updated libytnef packages fix security vulnerabilities","description":"Several issues were discovered in libytnef, a library used to decode\napplication/ms-tnef e-mail attachments. Multiple heap overflows,\nout-of-bound writes and reads, NULL pointer dereferences and infinite\nloops could be exploited by tricking a user into opening a maliciously\ncrafted winmail.dat file (CVE-2017-6298, CVE-2017-6299, CVE-2017-6300,\nCVE-2017-6301, CVE-2017-6302, CVE-2017-6303, CVE-2017-6304,\nCVE-2017-6305, CVE-2017-6306, CVE-2017-6800, CVE-2017-6801,\nCVE-2017-6802).\n\nA heap-buffer-overflow vulnerability in libytnef due to an incorrect\nboundary checking in SIZECHCK macro in lib/ytnef.c (CVE-2017-9058).\n","status":"published","published":"2017-06-14T15:52:21Z","modified":"2026-04-16T06:26:12.282736923Z","updated_at":"2026-11-02T15:49:40.103088Z"},{"id":"USN-3288-1","title":"libytnef vulnerabilities","description":"It was discovered that libytnef incorrectly handled malformed TNEF streams.\nIf a user were tricked into opening a specially crafted TNEF attachment, an\nattacker could cause a denial of service or possibly execute arbitrary\ncode.\n","status":"published","published":"2017-05-15T16:42:33Z","modified":"2026-04-22T09:34:44.605081Z","updated_at":"2026-11-02T16:58:13.496563Z"},{"id":"USN-4615-1","title":"libytnef vulnerabilities","description":"It was discovered that Yerase's TNEF had null pointer dereferences, infinite\nloop, buffer overflow, out of bounds reads, directory traversal issues and\nother vulnerabilities. An attacker could use those issues to cause a crash\nand consequently a denial of service. (CVE-2017-6298, CVE-2017-6299,\nCVE-2017-6300, CVE-2017-6301, CVE-2017-6302, CVE-2017-6303, CVE-2017-6304,\nCVE-2017-6305, CVE-2017-6306, CVE-2017-6800, CVE-2017-6801, CVE-2017-6802)\n","status":"published","published":"2020-11-03T16:12:24Z","modified":"2026-04-22T10:09:49.017733Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}