{"id":"CVE-2026-125192","state":"PUBLISHED","title":"FFmpeg through 9.0.2 Heap Memory Disclosure via DXA Decoder Uninitialized Buffer","description":"FFmpeg through 9.0.2 contains an uninitialized memory vulnerability in the DXA decoder in libavcodec/dxa.c that allows attackers to disclose heap memory via crafted DXA files. Attackers can supply a DXA video with a type 4 frame that copies the uninitialized decomp_buf buffer into output pictures, exposing leftover heap contents in decoded frames.","publishedAt":"2026-11-09T19:11:14.488Z","updatedAt":"2026-11-09T19:11:14.488Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["FFmpeg FFmpeg"],"affected":[{"vendor":"FFmpeg","product":"FFmpeg","packageURL":"pkg:github/ffmpeg/ffmpeg","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.0.2","versionType":"semver"}],"repo":"https://code.ffmpeg.org/FFmpeg/FFmpeg"}],"references":["https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24463","https://github.com/FFmpeg/FFmpeg/commit/a6e5d5ff993a525933d8d8f29071eb6c74b0436a","https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/dxa.c#L341","https://github.com/FFmpeg/FFmpeg","https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-heap-memory-disclosure-via-dxa-decoder-uninitialized-buffer"],"weaknesses":["CWE-908"],"ingestedAt":"2026-11-09T19:14:06.399Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/125xxx/CVE-2026-125192.json","commit":"61d6df80db1b12b1399aa01bc455626e606d2471","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-125192","state":"PUBLISHED","datePublished":"2026-11-09T19:11:14.488Z","dateUpdated":"2026-11-09T19:11:14.488Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-11-09T18:15:09.334Z"},"containers":{"cna":{"title":"FFmpeg through 9.0.2 Heap Memory Disclosure via DXA Decoder Uninitialized Buffer","descriptions":[{"lang":"en","value":"FFmpeg through 9.0.2 contains an uninitialized memory vulnerability in the DXA decoder in libavcodec/dxa.c that allows attackers to disclose heap memory via crafted DXA files. 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