{"id":"CVE-2017-12801","aliases":["EUVD-2017-4338","GHSA-2946-xv2c-75wg"],"status":"published","title":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote...","description":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/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":0.02415,"percentile":0.84235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2017-11-09T19:00:00Z","modified":"2026-10-20T10:48:02Z","products":[{"vendor":"matroska","product":"libebml2"},{"vendor":"matroska","product":"mkclean"},{"vendor":"matroska","product":"mkvalidator"}],"references":[{"url":"http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://seclists.org/fulldisclosure/2017/Nov/19","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Mailing List","Third Party Advisory","evidence"]},{"url":"https://github.com/Matroska-Org/foundation-source/issues/24","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12801"},{"url":"https://github.com/advisories/GHSA-2946-xv2c-75wg"}],"sources":{"cve":[{"id":"CVE-2017-12801","description":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.","status":"published","published":"2017-11-09T19:00:00Z","modified":"2024-08-05T18:51:06.397Z","updated_at":"2026-11-02T14:33:17.59533Z"}],"euvd":[{"id":"EUVD-2017-4338","description":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.","status":"published","published":"2017-11-09T19:00:00Z","modified":"2024-08-05T18:51:06Z","updated_at":"2026-11-03T02:23:20.716903Z"}],"ghsa":[{"id":"GHSA-2946-xv2c-75wg","title":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote...","description":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.","status":"published","published":"2022-05-17T00:21:59Z","modified":"2023-02-03T05:01:34Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:59.998713Z"}],"nvd":[{"id":"CVE-2017-12801","description":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.","status":"published","published":"2017-11-10T02:29:17.513Z","modified":"2026-06-17T01:03:57.647Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/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-20"],"updated_at":"2026-11-02T14:04:08.635428Z"}],"osv":[{"id":"CVE-2017-12801","description":"The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.","status":"published","published":"2017-11-10T02:29:17.513Z","modified":"2026-10-20T10:48:02.585333663Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:04.159616Z"}]}}