Medium severity4.7NVD Advisory· Published Nov 9, 2026
CVE-2026-125246
CVE-2026-125246
Description
FFmpeg through 9.0.2 contains a denial of service vulnerability in cbs_jpeg_assemble_fragment() that miscounts 0xff stuffing bytes in JPEG scan headers. Attackers can supply a crafted JPEG/MJPEG stream with 0xff in the scan header, triggering an av_assert0 abort when CBS-based bitstream filters process it.
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Affected products
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