MEDIUM 5.3 NVD
CVE-2026-120210
FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSE
FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. Attackers can supply a crafted IMF package with '..' or absolute paths to demux local MXF files, probe file existence and size, or trigger server-side requests.
References
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25341
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/imfdec.c#L273
- https://www.vulncheck.com/advisories/ffmpeg-5.0-through-9.0.2-path-traversal-via-imf-demux
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-31 via NVD.
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