CVE-2026-67290

HIGH8.7

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

Published Aug 1, 2026

Modified 2 weeks ago

Details

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

FIX

https://github.com/FreeRDP/FreeRDP/commit/8d3b86022f0d71aefa7bd2e466d2d391693a41b3

ADVISORY

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-whq8-c3v3-p8v8

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-67290

ADVISORY

https://www.vulncheck.com/advisories/freerdp-before-heap-out-of-bounds-read-via-tsmf

CVSS Analysis

CVSS v4.0

8.7