CVE-2026-67290

HIGH

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.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 8/1/2026Modified: 8/3/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-67290 — FreeRDP before 3.29.0 contains a heap out-of-bounds read vulnerability in the TS...

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.

CVE-2026-67290
NIST NVD

References (3)

https://github.com/FreeRDP/FreeRDP/commit/8d3b86022f0d71aefa7bd2e466d2d391693a41b3https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-whq8-c3v3-p8v8https://www.vulncheck.com/advisories/freerdp-before-heap-out-of-bounds-read-via-tsmf