{"id":"UBUNTU-CVE-2025-10256","details":"A NULL pointer dereference vulnerability exists in FFmpeg’s Firequalizer filter (libavfilter/af_firequalizer.c) due to a missing check on the return value of av_malloc_array() in the config_input() function. An attacker could exploit this by tricking a victim into processing a crafted media file with the Firequalizer filter enabled, causing the application to dereference a NULL pointer and crash, leading to denial of service.","modified":"2026-06-23T00:30:06.831613366Z","published":"2025-09-16T00:00:00Z","related":["USN-7830-1"],"upstream":["CVE-2025-10256"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-10256"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-10256"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7830-1"}],"affected":[{"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"},{"fixed":"7:3.4.11-0ubuntu0.1+esm11"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"ffmpeg","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_version":"7:3.4.11-0ubuntu0.1+esm11","binary_name":"libavcodec-extra"},{"binary_name":"libavcodec-extra57","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_name":"libavcodec57","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_version":"7:3.4.11-0ubuntu0.1+esm11","binary_name":"libavdevice57"},{"binary_version":"7:3.4.11-0ubuntu0.1+esm11","binary_name":"libavfilter-extra"},{"binary_name":"libavfilter-extra6","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_name":"libavfilter6","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_version":"7:3.4.11-0ubuntu0.1+esm11","binary_name":"libavformat57"},{"binary_name":"libavresample3","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_name":"libavutil55","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_name":"libpostproc54","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_name":"libswresample2","binary_version":"7:3.4.11-0ubuntu0.1+esm11"},{"binary_version":"7:3.4.11-0ubuntu0.1+esm11","binary_name":"libswscale4"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-10256.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"},{"fixed":"7:4.2.7-0ubuntu0.1+esm11"}]}],"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","7:4.2.7-0ubuntu0.1+esm3","7:4.2.7-0ubuntu0.1+esm4","7:4.2.7-0ubuntu0.1+esm5","7:4.2.7-0ubuntu0.1+esm6","7:4.2.7-0ubuntu0.1+esm7","7:4.2.7-0ubuntu0.1+esm8","7:4.2.7-0ubuntu0.1+esm9","7:4.2.7-0ubuntu0.1+esm10"],"ecosystem_specific":{"binaries":[{"binary_name":"ffmpeg","binary_version":"7:4.2.7-0ubuntu0.1+esm11"},{"binary_name":"libavcodec-extra","binary_version":"7:4.2.7-0ubuntu0.1+esm11"},{"binary_name":"libavcodec-extra58","binary_version":"7:4.2.7-0ubuntu0.1+esm11"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libavcodec58"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libavdevice58"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libavfilter-extra"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libavfilter-extra7"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libavfilter7"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libavformat58"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libavresample4"},{"binary_name":"libavutil56","binary_version":"7:4.2.7-0ubuntu0.1+esm11"},{"binary_name":"libpostproc55","binary_version":"7:4.2.7-0ubuntu0.1+esm11"},{"binary_version":"7:4.2.7-0ubuntu0.1+esm11","binary_name":"libswresample3"},{"binary_name":"libswscale5","binary_version":"7:4.2.7-0ubuntu0.1+esm11"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-10256.json"}},{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.4.2-0ubuntu0.22.04.1+esm10"}]}],"versions":["7:4.4-6ubuntu5","7:4.4.1-2ubuntu1","7:4.4.1-3ubuntu1","7:4.4.1-3ubuntu2","7:4.4.1-3ubuntu3","7:4.4.1-3ubuntu5","7:4.4.2-0ubuntu0.22.04.1","7:4.4.2-0ubuntu0.22.04.1+esm1","7:4.4.2-0ubuntu0.22.04.1+esm2","7:4.4.2-0ubuntu0.22.04.1+esm3","7:4.4.2-0ubuntu0.22.04.1+esm4","7:4.4.2-0ubuntu0.22.04.1+esm5","7:4.4.2-0ubuntu0.22.04.1+esm6","7:4.4.2-0ubuntu0.22.04.1+esm7","7:4.4.2-0ubuntu0.22.04.1+esm8","7:4.4.2-0ubuntu0.22.04.1+esm9"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"ffmpeg","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_name":"libavcodec-extra","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_name":"libavcodec-extra58","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10","binary_name":"libavcodec58"},{"binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10","binary_name":"libavdevice58"},{"binary_name":"libavfilter-extra","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_name":"libavfilter-extra7","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_name":"libavfilter7","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10","binary_name":"libavformat-extra"},{"binary_name":"libavformat-extra58","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10","binary_name":"libavformat58"},{"binary_name":"libavutil56","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_name":"libpostproc55","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_name":"libswresample3","binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10"},{"binary_version":"7:4.4.2-0ubuntu0.22.04.1+esm10","binary_name":"libswscale5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-10256.json"}},{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:6.1.1-3ubuntu5+esm6"}]}],"versions":["7:6.0-6ubuntu1","7:6.0-9ubuntu1","7:6.1-2ubuntu1","7:6.1-3ubuntu1","7:6.1-4ubuntu1","7:6.1-5ubuntu1","7:6.1.1-1ubuntu1","7:6.1.1-3ubuntu1","7:6.1.1-3ubuntu5","7:6.1.1-3ubuntu5+esm1","7:6.1.1-3ubuntu5+esm2","7:6.1.1-3ubuntu5+esm3","7:6.1.1-3ubuntu5+esm4","7:6.1.1-3ubuntu5+esm5"],"ecosystem_specific":{"binaries":[{"binary_name":"ffmpeg","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libavcodec-extra","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_version":"7:6.1.1-3ubuntu5+esm6","binary_name":"libavcodec-extra60"},{"binary_name":"libavcodec60","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libavdevice60","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libavfilter-extra","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libavfilter-extra9","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libavfilter9","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libavformat-extra","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libavformat-extra60","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_version":"7:6.1.1-3ubuntu5+esm6","binary_name":"libavformat60"},{"binary_name":"libavutil58","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libpostproc57","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_name":"libswresample4","binary_version":"7:6.1.1-3ubuntu5+esm6"},{"binary_version":"7:6.1.1-3ubuntu5+esm6","binary_name":"libswscale7"}],"availability":"Available 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https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-10256.json"}},{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/ffmpeg?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7:7.1.1-1ubuntu1","7:7.1.1-1ubuntu2","7:7.1.1-1ubuntu3","7:7.1.1-1ubuntu4","7:7.1.1-1ubuntu4.1","7:7.1.1-1ubuntu4.2"],"ecosystem_specific":{"binaries":[{"binary_version":"7:7.1.1-1ubuntu4.2","binary_name":"ffmpeg"},{"binary_name":"libavcodec-extra","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_name":"libavcodec-extra61","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_version":"7:7.1.1-1ubuntu4.2","binary_name":"libavcodec61"},{"binary_name":"libavdevice61","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_version":"7:7.1.1-1ubuntu4.2","binary_name":"libavfilter-extra"},{"binary_version":"7:7.1.1-1ubuntu4.2","binary_name":"libavfilter-extra10"},{"binary_name":"libavfilter10","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_name":"libavformat-extra","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_name":"libavformat-extra61","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_version":"7:7.1.1-1ubuntu4.2","binary_name":"libavformat61"},{"binary_version":"7:7.1.1-1ubuntu4.2","binary_name":"libavutil59"},{"binary_name":"libpostproc58","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_name":"libswresample5","binary_version":"7:7.1.1-1ubuntu4.2"},{"binary_version":"7:7.1.1-1ubuntu4.2","binary_name":"libswscale8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-10256.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}