CVE-2026-67290

HIGH

FreeRDP before 3.29.0 Heap Out-of-Bounds Read via TSMF

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-whq8-c3v3-p8v8)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-whq8-c3v3-p8v8
Third Party Advisory third-party-advisory
VulnCheck Advisory: FreeRDP before 3.29.0 Heap Out-of-Bounds Read via TSMF
https://www.vulncheck.com/advisories/freerdp-before-heap-out-of-bounds-read-via-tsmf

Scores

CVSS v3 7.5
EPSS 0.0043
EPSS Percentile 35.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (2)
FreeRDP/FreeRDP < 3.29.0
FreeRDP/FreeRDP 3.29.0
Published Aug 01, 2026
Tracked Since Aug 01, 2026