{"id":"UBUNTU-CVE-2020-20892","details":"An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a division by zero.","modified":"2026-04-22T12:32:57.998117Z","published":"2021-09-20T16:15:00Z","related":["USN-5167-1"],"upstream":["CVE-2020-20892"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-20892"},{"type":"REPORT","url":"http://git.videolan.org/?p=ffmpeg.git;a=commit;h=19587c9332f5be4f6bc6d7b2b8ef3fd21dfeaa01"},{"type":"REPORT","url":"https://trac.ffmpeg.org/ticket/8265"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5167-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-20892"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:2.8.17-0ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:2.8.17-0ubuntu0.1+esm1"}]}],"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","7:2.8.8-0ubuntu0.16.04.1","7:2.8.10-0ubuntu0.16.04.1","7:2.8.11-0ubuntu0.16.04.1","7:2.8.14-0ubuntu0.16.04.1","7:2.8.15-0ubuntu0.16.04.1","7:2.8.15-0ubuntu0.16.04.1+esm1","7:2.8.17-0ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"ffmpeg","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libav-tools","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavcodec-extra","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavcodec-ffmpeg-extra56","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavcodec-ffmpeg56","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavdevice-ffmpeg56","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavfilter-ffmpeg5","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavformat-ffmpeg56","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavresample-ffmpeg2","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libavutil-ffmpeg54","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libpostproc-ffmpeg53","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libswresample-ffmpeg1","binary_version":"7:2.8.17-0ubuntu0.1+esm1"},{"binary_name":"libswscale-ffmpeg3","binary_version":"7:2.8.17-0ubuntu0.1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-20892.json"}},{"package":{"name":"qtwebengine-opensource-src","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/qtwebengine-opensource-src@5.9.5+dfsg-0ubuntu2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.1+dfsg-4","5.9.1+dfsg-4ubuntu1","5.9.2+dfsg-2ubuntu1","5.9.3+dfsg-0ubuntu1","5.9.4+dfsg-0ubuntu1","5.9.5+dfsg-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5webengine-data","binary_version":"5.9.5+dfsg-0ubuntu2"},{"binary_name":"libqt5webengine5","binary_version":"5.9.5+dfsg-0ubuntu2"},{"binary_name":"libqt5webenginecore5","binary_version":"5.9.5+dfsg-0ubuntu2"},{"binary_name":"libqt5webenginewidgets5","binary_version":"5.9.5+dfsg-0ubuntu2"},{"binary_name":"qml-module-qtwebengine","binary_version":"5.9.5+dfsg-0ubuntu2"},{"binary_name":"qtwebengine5-dev-tools","binary_version":"5.9.5+dfsg-0ubuntu2"},{"binary_name":"qtwebengine5-doc-html","binary_version":"5.9.5+dfsg-0ubuntu2"},{"binary_name":"qtwebengine5-examples","binary_version":"5.9.5+dfsg-0ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-20892.json"}},{"package":{"name":"qtwebengine-opensource-src","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/qtwebengine-opensource-src@5.12.8+dfsg-0ubuntu1.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.12.4+dfsg-1ubuntu1","5.12.4+dfsg-1ubuntu3","5.12.5+dfsg-3ubuntu1","5.12.5+dfsg-6ubuntu2","5.12.5+dfsg-7","5.12.5+dfsg-7build1","5.12.8+dfsg-0ubuntu1","5.12.8+dfsg-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5webengine-data","binary_version":"5.12.8+dfsg-0ubuntu1.1"},{"binary_name":"libqt5webengine5","binary_version":"5.12.8+dfsg-0ubuntu1.1"},{"binary_name":"libqt5webenginecore5","binary_version":"5.12.8+dfsg-0ubuntu1.1"},{"binary_name":"libqt5webenginewidgets5","binary_version":"5.12.8+dfsg-0ubuntu1.1"},{"binary_name":"qml-module-qtwebengine","binary_version":"5.12.8+dfsg-0ubuntu1.1"},{"binary_name":"qtwebengine5-dev-tools","binary_version":"5.12.8+dfsg-0ubuntu1.1"},{"binary_name":"qtwebengine5-doc-html","binary_version":"5.12.8+dfsg-0ubuntu1.1"},{"binary_name":"qtwebengine5-examples","binary_version":"5.12.8+dfsg-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-20892.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}