{"id":"UBUNTU-CVE-2016-6881","details":"The zlib_refill function in libavformat/swfdec.c in FFmpeg before 3.1.3 allows remote attackers to cause an infinite loop denial of service via a crafted SWF file.","modified":"2025-07-16T07:34:58.206938Z","published":"2016-12-23T05:59:00Z","withdrawn":"2025-07-18T16:43:36Z","upstream":["CVE-2016-6881"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6881"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/09/26/6"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-6881"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:2.8.8-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:2.8.8-0ubuntu0.16.04.1"}]}],"versions":["7:2.7.2-1build1","7:2.8.1-1ubuntu1","7:2.8.2-1ubuntu1","7:2.8.3-1","7:2.8.4-1","7:2.8.4-1ubuntu1","7:2.8.4-1ubuntu2","7:2.8.4-1ubuntu3","7:2.8.4-1ubuntu4","7:2.8.6-1ubuntu1","7:2.8.6-1ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"ffmpeg"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"ffmpeg-dbg"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"ffmpeg-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"ffmpeg-doc"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libav-tools"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavcodec-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavcodec-extra"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavcodec-ffmpeg-extra56"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavcodec-ffmpeg-extra56-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavcodec-ffmpeg56"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavcodec-ffmpeg56-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavdevice-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavdevice-ffmpeg56"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavdevice-ffmpeg56-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavfilter-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavfilter-ffmpeg5"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavfilter-ffmpeg5-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavformat-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavformat-ffmpeg56"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavformat-ffmpeg56-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavresample-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavresample-ffmpeg2"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavresample-ffmpeg2-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavutil-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavutil-ffmpeg54"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libavutil-ffmpeg54-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libpostproc-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libpostproc-ffmpeg53"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libpostproc-ffmpeg53-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libswresample-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libswresample-ffmpeg1"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libswresample-ffmpeg1-dbgsym"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libswscale-dev"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libswscale-ffmpeg3"},{"binary_version":"7:2.8.8-0ubuntu0.16.04.1","binary_name":"libswscale-ffmpeg3-dbgsym"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6881.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}