CVE-2026-91957

Description

FreeRDP before 3.31.0 contains a use-after-free vulnerability in the smartcard RDPDR device handler when worker thread creation fails after device registration. Attackers can trigger thread creation failure during channel setup to cause device pointer deallocation while devman retains a reference, leading to crash or code execution.

CVSS Vector

References

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j5mq-3349-gwmm
• https://www.vulncheck.com/advisories/freerdp-before-3.31.0-use-after-free-via-smartcard-worker