{"id":"UBUNTU-CVE-2021-38092","details":"Integer Overflow vulnerability in function filter_prewitt in libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.","modified":"2026-04-22T14:53:26.507626Z","published":"2021-09-20T16:15:00Z","related":["USN-6449-1"],"upstream":["CVE-2021-38092"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-38092"},{"type":"REPORT","url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23"},{"type":"REPORT","url":"https://trac.ffmpeg.org/ticket/8263"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6449-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-38092"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:4.2.7-0ubuntu0.1+esm3?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.2.7-0ubuntu0.1+esm3"}]}],"versions":["7:4.1.4-1build2","7:4.2.1-2","7:4.2.1-2ubuntu1","7:4.2.2-1build1","7:4.2.2-1ubuntu1","7:4.2.4-1ubuntu0.1","7:4.2.4-1ubuntu0.1+esm1","7:4.2.7-0ubuntu0.1","7:4.2.7-0ubuntu0.1+esm1","7:4.2.7-0ubuntu0.1+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"ffmpeg","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavcodec-extra","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavcodec-extra58","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavcodec58","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavdevice58","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavfilter-extra","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavfilter-extra7","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavfilter7","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libavformat58","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm3","binary_name":"libavresample4"},{"binary_name":"libavutil56","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libpostproc55","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_name":"libswresample3","binary_version":"7:4.2.7-0ubuntu0.1+esm3"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm3","binary_name":"libswscale5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38092.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"}]}