CVE-2026-22856
FreeRDP has a heap-use-after-free in create_irp_thread
Summary
FreeRDP has a heap-use-after-free in create_irp_thread
Original description
The description as published by the source.
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-22856 freerdp2
- Ubuntu UBUNTU-CVE-2026-22856 freerdp
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- web github.com