CVE-2026-65704 | BDVDB-2026-352156 Detail

Description#

FFmpeg through 8.1.2 contains an out-of-bounds write vulnerability that allows attackers to cause heap corruption by supplying a crafted ffconcat file processed with the -safe 0 flag. The TY demuxer's demux_audio() function decrements packet size without bounds checking, producing a negative size value that is passed to memcpy() in shorten_decode_frame(), where conversion to size_t wraps the value to near SIZE_MAX and triggers reads beyond the source allocation and writes far beyond the Shorten decoder's bitstream buffer.

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History#

1. Version 12026-07-23Record published in the CVE List.
2. Version 22026-07-28Most recent update recorded in the CVE List.