CVE-2026-67290: Freerdp

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Freerdp Freerdp: before 3.29.0 (fixed in 3.29.0)

Published 2026-08-01. Last modified 2026-09-29.