{"id":"CVE-2017-9471","aliases":["DEBIAN-CVE-2017-9471","EUVD-2017-18403","GHSA-mgvm-xh8j-rpqx","UBUNTU-CVE-2017-9471","USN-3667-1"],"status":"published","title":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of...","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","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":"2026-11-08","score":0.01174,"percentile":0.67747,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2017-06-07T00:00:00Z","modified":"2026-10-24T10:30:29Z","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":"canonical","product":"ubuntu_linux"},{"vendor":"ytnef_project","product":"ytnef"}],"references":[{"url":"https://usn.ubuntu.com/3667-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://blogs.gentoo.org/ago/2017/05/24/ytnef-heap-based-buffer-overflow-in-swapword-ytnef-c/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","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-2017-9471"},{"url":"https://blogs.gentoo.org/ago/2017/05/24/ytnef-heap-based-buffer-overflow-in-swapword-ytnef-c"},{"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-mgvm-xh8j-rpqx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-9471","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-9471","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3667-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-9471","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9058","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-9146","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-2017-9471","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","status":"published","published":"2017-06-07T04:50:00Z","modified":"2024-08-05T17:11:01.576Z","updated_at":"2026-11-02T14:33:13.96587Z"}],"euvd":[{"id":"EUVD-2017-18403","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","status":"published","published":"2017-06-07T04:50:00Z","modified":"2024-08-05T17:11:01Z","updated_at":"2026-11-03T02:23:27.678389Z"}],"ghsa":[{"id":"GHSA-mgvm-xh8j-rpqx","title":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of...","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","status":"published","published":"2022-05-13T01:47:58Z","modified":"2025-04-20T03:39:36Z","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-125"],"updated_at":"2026-11-02T15:01:47.375435Z"}],"nvd":[{"id":"CVE-2017-9471","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","status":"published","published":"2017-06-07T05:29:00.257Z","modified":"2026-06-17T01:28:11.11Z","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-125"],"updated_at":"2026-11-02T14:03:50.782497Z"}],"osv":[{"id":"CVE-2017-9471","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","status":"published","published":"2017-06-07T05:29:00.257Z","modified":"2026-10-24T10:30:29.584012156Z","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":"2026-11-02T15:44:07.192756Z"},{"id":"DEBIAN-CVE-2017-9471","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","status":"published","published":"2017-06-07T05:29:00.257Z","modified":"2026-09-01T20:03:51.744378698Z","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":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-9471","description":"In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.","status":"published","published":"2017-06-07T00:00:00Z","modified":"2026-04-22T11:37:39.078626Z","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":"2026-11-02T15:54:16.154988Z"},{"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"}]}}