{"id":"CVE-2026-120245","title":"FFmpeg 0.10 through 9.0.2 Uninitialized Memory Disclosure via Sun Raster Decoder","summary":"FFmpeg 0.10 through 9.0.2 contains a use of uninitialized resource vulnerability in sunrast_decode_frame() that leaks heap memory when decoding truncated 1-bit and 4-bit paletted Sun Raster images. Attackers can craft a truncated Sun Ras…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-908"],"vendor":"FFmpeg","product":"FFmpeg","affected":["FFmpeg >= 0.10 <= 9.0.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T14:39:53.499385Z"},"published":"2026-11-01","updated":"2026-11-02","sourceUpdated":"2026-11-02T14:40:04.609Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120245","references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24877"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/356a391bf57df2fb80fd61f2821c8c83d15ce180"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/66b6ca270b33fd74367d7d371f6de16ec664446e"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/sunrast.c#L188-L194"},{"url":"https://github.com/FFmpeg/FFmpeg"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-0.10-through-9.0.2-uninitialized-memory-disclosure-via-sun-raster-decoder","label":"VulnCheck Advisory: FFmpeg 0.10 through 9.0.2 Uninitialized Memory Disclosure via Sun Raster Decoder"}],"tags":["cve.org"],"epss":0.00124,"epssPercentile":0.02129,"ingestedAt":"2026-11-05T19:30:42.668Z","slug":"CVE-2026-120245","body":"## Overview\n\nFFmpeg 0.10 through 9.0.2 contains a use of uninitialized resource vulnerability in sunrast_decode_frame() that leaks heap memory when decoding truncated 1-bit and 4-bit paletted Sun Raster images. Attackers can craft a truncated Sun Raster file so the uncleared temporary bitmap is expanded into PAL8 pixels, exposing stale heap contents such as allocator words in decoded output.\n\n## Affected\n\n- `FFmpeg >= 0.10 <= 9.0.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}