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Untriaged

Permalink CVE-2026-22856

created 3 months ago

FreeRDP has a heap-use-after-free in create_irp_thread

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.

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w842-c386-fxhv x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1 x_refsource_MISC

Affected products

FreeRDP

==< 3.20.1

Matching in nixpkgs

pkgs.freerdp

Remote Desktop Protocol Client

nixos-25.11 3.17.2
- nixpkgs-25.11-darwin 3.17.2

pkgs.freerdpUnstable

Remote Desktop Protocol Client

nixos-unstable 3.16.0
- nixpkgs-unstable 3.16.0
- nixos-unstable-small 3.16.0

Package maintainers

@peterhoeg Peter Hoeg <peter@hoeg.com>