CVE-2026-67290
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Aug 01, 2026
Vendor
unknown
Description
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.