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DEBIAN-CVE-2026-66401

LowCVSS 2.4 / 10
Published Aug 1, 2026·Last modified Aug 27, 2026
Affected Components(0)

No affected components available

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.

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Risk Scores
Base Score
2.4

The vulnerability requires physical access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights.

Threat Intelligence
0.4

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.20%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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