Is CVE-2026-67290 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-67290?

CVE-2026-67290 has a CVSS v3 severity of HIGH (7.5).

Back

CVE-2026-67290

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.