{"schemaVersion":3,"id":"CVE-2016-9822","aliases":["UBUNTU-CVE-2016-9822"],"status":"published","duplicateOf":null,"title":null,"description":"Integer overflow in libavcodec/mpeg12dec.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.","dates":{"published":"2017-03-01T15:00:00.000Z","modified":"2024-08-06T02:59:03.487Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true}]},"epss":{"probability":0.01234,"percentile":0.68598,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01234},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01576,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01234,"percentile":0.68598}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01576,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01234,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01234,"percentile":0.68598}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_FB8E6AE5D4D7B4C2","name":"Exploit Reference (blogs.gentoo.org)","source":"reference","url":"https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"ubuntu","product":"libav","name":"libav","label":"libav","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libav","purlType":"deb","versions":[{"text":"< 6:9.20-0ubuntu0.14.04.1+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6:9.20-0ubuntu0.14.04.1+esm1","eol":null,"hubHref":null},{"vendor":"libav","product":"libav","name":"libav","label":"libav","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"11.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"11.8","eol":null,"hubHref":"/vendor/libav/libav"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/94732","label":"www.securityfocus.com/bid/94732","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://www.debian.org/security/2017/dsa-3833","label":"www.debian.org/security/2017/dsa-3833","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/","label":"blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/","hostname":"blogs.gentoo.org","tags":["X Refsource MISC","Exploit","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-9822","label":"ubuntu.com/security/CVE-2016-9822","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer","label":"blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer","hostname":"blogs.gentoo.org","tags":["REPORT"]},{"url":"https://github.com/asarubbo/poc/blob/master/00037-libav-signedintoverflow-mpegvideo_parser","label":"github.com/asarubbo/poc/blob/master/00037-libav-signedintoverflow-mpegvideo_parser","hostname":"github.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9822","label":"www.cve.org/CVERecord?id=CVE-2016-9822","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["DLA-791-1","DSA-3833-1"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-03-01T15:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T02:59:03.487Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:00:08.327Z","stale":false,"partial":false}}