{"id":"UBUNTU-CVE-2021-33815","details":"dwa_uncompress in libavcodec/exr.c in FFmpeg 4.4 allows an out-of-bounds array access because dc_count is not strictly checked.","modified":"2025-07-16T08:26:33.552150Z","published":"2021-06-03T17:15:00Z","withdrawn":"2025-07-18T16:46:52Z","upstream":["CVE-2021-33815"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33815"},{"type":"REPORT","url":"https://github.com/FFmpeg/FFmpeg/commit/26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-33815"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:4.4.1-3ubuntu2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.4.1-3ubuntu2"}]}],"versions":["7:4.4-6ubuntu5","7:4.4.1-2ubuntu1","7:4.4.1-3ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ffmpeg","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"ffmpeg-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_version":"7:4.4.1-3ubuntu2","binary_name":"ffmpeg-doc"},{"binary_name":"libavcodec-dev","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavcodec-extra","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavcodec-extra58","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavcodec-extra58-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavcodec58","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavcodec58-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavdevice-dev","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavdevice58","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavdevice58-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_version":"7:4.4.1-3ubuntu2","binary_name":"libavfilter-dev"},{"binary_name":"libavfilter-extra","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavfilter-extra7","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavfilter-extra7-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavfilter7","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavfilter7-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavformat-dev","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavformat-extra","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavformat-extra58","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavformat-extra58-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavformat58","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavformat58-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavutil-dev","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavutil56","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libavutil56-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libpostproc-dev","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libpostproc55","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libpostproc55-dbgsym","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libswresample-dev","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libswresample3","binary_version":"7:4.4.1-3ubuntu2"},{"binary_version":"7:4.4.1-3ubuntu2","binary_name":"libswresample3-dbgsym"},{"binary_name":"libswscale-dev","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libswscale5","binary_version":"7:4.4.1-3ubuntu2"},{"binary_name":"libswscale5-dbgsym","binary_version":"7:4.4.1-3ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33815.json"}}],"schema_version":"1.7.3","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"}]}