CVE-2026-67290 [HIGH] – FreeRDP before 3.29.0 contains a heap out-of-bounds read vulnerability in the TSMF FFmpeg

FreeRDP before 3.29.0 contains a heap out-of-bounds read vulnerability in the TSMF FFmpeg decoder when parsing AVC1 MPEG2VIDEOINFO media types with insufficient ExtraData. Attackers can send malformed media format data from a server to trigger a crash by reading fixed offsets without validating source buffer length.