CVE-2026-110834: freerdp freerdp

CVSS 7.1 (high) · published 2026-10-14

FreeRDP from 2.0.0 before 3.32.0 contains a null pointer dereference vulnerability that allows malicious RDP servers to crash clients by sending out-of-lifecycle serial IRPs. Attackers can send IRP_MJ_READ or IRP_MJ_WRITE before create or after close, causing CommReadFile or CommWriteFile to dereference a null handle and terminate clients using Linux serial redirection.

Affected products (NVD): freerdp freerdp

Fixed in (NVD): 3.32.0

Weakness: CWE-476

Source: NVD CVE-2026-110834

References

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm
• https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-denial-of-service-via-serial-irp-null-handle
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm

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