{"id":"UBUNTU-CVE-2025-7700","details":"A flaw was found in FFmpeg’s ALS audio decoder, where it does not properly check for memory allocation failures. This can cause the application to crash when processing certain malformed audio files. While it does not lead to data theft or system control, it can be used to disrupt services and cause a denial of service.","modified":"2026-09-14T05:30:14.480207391Z","published":"2025-07-18T00:00:00Z","related":["USN-7830-1","USN-7871-1"],"upstream":["CVE-2025-7700"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-7700"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-7700"},{"type":"REPORT","url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/35a6de137a39f274d5e01ed0e0e6c4f04d0aaf07"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7830-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7871-1"}],"affected":[{"package":{"name":"libav","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libav?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6:0.8.7-1ubuntu2","6:9.10-1ubuntu1","6:9.10-1ubuntu2","6:9.10-1ubuntu5","6:9.10-1ubuntu6","6:9.10-1ubuntu7","6:9.11-2ubuntu1","6:9.11-2ubuntu2","6:9.13-0ubuntu0.14.04.1","6:9.14-0ubuntu0.14.04.1","6:9.16-0ubuntu0.14.04.1","6:9.18-0ubuntu0.14.04.1","6:9.20-0ubuntu0.14.04.1","6:9.20-0ubuntu0.14.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"6:9.20-0ubuntu0.14.04.1+esm1","binary_name":"libav-tools"},{"binary_name":"libavcodec-extra","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_version":"6:9.20-0ubuntu0.14.04.1+esm1","binary_name":"libavcodec-extra-54"},{"binary_name":"libavcodec54","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_version":"6:9.20-0ubuntu0.14.04.1+esm1","binary_name":"libavdevice-extra-53"},{"binary_name":"libavdevice53","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libavfilter-extra-3","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libavfilter3","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libavformat-extra-54","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libavformat54","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libavresample1","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libavutil-extra-52","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libavutil52","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libswscale-extra-2","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"},{"binary_name":"libswscale2","binary_version":"6:9.20-0ubuntu0.14.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7700.json"}},{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7:3.3.4-2","7:3.3.4-2build3","7:3.4-2ubuntu2","7:3.4-4","7:3.4-4build1","7:3.4.1-1","7:3.4.1-1build1","7:3.4.2-1","7:3.4.2-1build1","7:3.4.2-2","7:3.4.4-0ubuntu0.18.04.1","7:3.4.6-0ubuntu0.18.04.1","7:3.4.8-0ubuntu0.2","7:3.4.11-0ubuntu0.1","7:3.4.11-0ubuntu0.1+esm1","7:3.4.11-0ubuntu0.1+esm2","7:3.4.11-0ubuntu0.1+esm3","7:3.4.11-0ubuntu0.1+esm4","7:3.4.11-0ubuntu0.1+esm5","7:3.4.11-0ubuntu0.1+esm6","7:3.4.11-0ubuntu0.1+esm7","7:3.4.11-0ubuntu0.1+esm8","7:3.4.11-0ubuntu0.1+esm9","7:3.4.11-0ubuntu0.1+esm10","7:3.4.11-0ubuntu0.1+esm11","7:3.4.11-0ubuntu0.1+esm12","7:3.4.11-0ubuntu0.1+esm13","7:3.4.11-0ubuntu0.1+esm14","7:3.4.11-0ubuntu0.1+esm15"],"ecosystem_specific":{"binaries":[{"binary_name":"ffmpeg","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_version":"7:3.4.11-0ubuntu0.1+esm15","binary_name":"libavcodec-extra"},{"binary_name":"libavcodec-extra57","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavcodec57","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavdevice57","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavfilter-extra","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavfilter-extra6","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavfilter6","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavformat57","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavresample3","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libavutil55","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libpostproc54","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_name":"libswresample2","binary_version":"7:3.4.11-0ubuntu0.1+esm15"},{"binary_version":"7:3.4.11-0ubuntu0.1+esm15","binary_name":"libswscale4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7700.json"}},{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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-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