{"id":"UBUNTU-CVE-2015-6761","details":"The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.","modified":"2026-04-22T10:17:12.949426Z","published":"2015-10-15T00:00:00Z","related":["USN-2770-1","USN-2770-2"],"upstream":["CVE-2015-6761"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-6761"},{"type":"REPORT","url":"https://code.google.com/p/chromium/issues/detail?id=447860"},{"type":"REPORT","url":"https://code.google.com/p/chromium/issues/detail?id=532967"},{"type":"REPORT","url":"http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html"},{"type":"REPORT","url":"https://codereview.chromium.org/1376913003"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2770-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2770-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-6761"}],"affected":[{"package":{"name":"chromium-browser","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/chromium-browser@47.0.2526.73-0ubuntu0.14.04.1.1106?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"47.0.2526.73-0ubuntu0.14.04.1.1106"}]}],"versions":["29.0.1547.65-0ubuntu2","31.0.1650.63-0ubuntu1~20131204.1","32.0.1700.107-0ubuntu1~20140204.977.1","33.0.1750.152-0ubuntu1~pkg995.1","34.0.1847.116-0ubuntu2","36.0.1985.125-0ubuntu1.14.04.0~pkg1029","37.0.2062.94-0ubuntu0.14.04.1~pkg1042","37.0.2062.120-0ubuntu0.14.04.1~pkg1049","38.0.2125.111-0ubuntu0.14.04.1.1061","39.0.2171.65-0ubuntu0.14.04.1.1064","40.0.2214.94-0ubuntu0.14.04.1.1068","40.0.2214.111-0ubuntu0.14.04.1.1069","41.0.2272.76-0ubuntu0.14.04.1.1076","43.0.2357.81-0ubuntu0.14.04.1.1089","43.0.2357.130-0ubuntu0.14.04.1.1092","44.0.2403.89-0ubuntu0.14.04.1.1095","45.0.2454.85-0ubuntu0.14.04.1.1097","45.0.2454.101-0ubuntu0.14.04.1.1099"],"ecosystem_specific":{"availability":"No 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