CVEvulnerability
CVE-2026-66401
2.4 LOW
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-01
- Last modified
- 2026-09-03
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 2.4 LOW — CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 2.1 LOW — CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-125
Description
FreeRDP before 3.29.0 contains an out-of-bounds heap read vulnerability in the UVC H.264 extension-unit parser that fails to validate descriptor length before accessing the GUID field. A local attacker with a malicious USB video camera can trigger a heap read beyond allocated bounds during camera stream setup, causing denial of service.
Affected configurations
• freerdp freerdp (< 3.29.0)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/FreeRDP/FreeRDP/commit/5044d5390035c6fd9a36ad885192d97d21e8a92d Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8jj2-67pg-j6mg Exploit, Patch, Vendor Advisory
- https://www.vulncheck.com/advisories/freerdp-before-out-of-bounds-read-via-uvc-h-264 Patch, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8jj2-67pg-j6mg Exploit, Patch, Vendor Advisory