{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"ffmpeg/ffmpeg","product":"FFmpeg","source":"CNA: VulnCheck","vendor":"FFmpeg","versions":[{"lessThanOrEqual":"9.0.2","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-125245","cwes":["CWE-401"],"description":"FFmpeg through 9.0.2 contains a memory leak vulnerability in ff_mjpeg_decode_sof() in libavcodec/mjpegdec.c, which overwrites the hwaccel_picture_private pointer without freeing it. Attackers can supply crafted MJPEG streams with repeated SOF markers or failing frames to leak hwaccel private data and hardware buffers under VAAPI or NVDEC decoding.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.7,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":4.7,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794257809121,"publishedAt":1794251512843,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25231"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/FFmpeg/FFmpeg/commit/50e9ef29be1766404115b0a4908fa3fd6ed7fa3f"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/mjpegdec.c#L826"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/FFmpeg/FFmpeg"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-memory-leak-in-mjpeg-hwaccel-sof-decoding"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/FFmpeg/FFmpeg/commit/50e9ef29be1766404115b0a4908fa3fd6ed7fa3f"}],"revision":"acaa6e8cf7a710ebe1545840b6528ddd8e6dc9bab3ee1c4ec1a1f1c212b9390f","sources":[{"modifiedAt":1794257809121,"name":"CNA: VulnCheck","retrievedAt":1794258581522,"url":"https://www.cve.org/CVERecord?id=CVE-2026-125245"}],"ssvc":{"assessedAt":1794257767780,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"FFmpeg through 9.0.2 Memory Leak in MJPEG Hwaccel SOF Decoding","updatedAt":1794258581522}