CVE-2026-24683

FreeRDP is a free implementation of the Remote Desktop Protocol. ainput_send_input_event caches channel_callback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This vulnerability is fixed in 3.22.0.

Score

CVSS 4.0 8.7 High

Status

Analyzed - security-advisories@github.com

Published

2026-02-09

Last modified

2026-02-10

Weaknesses

CWE-416

Affected products

• Freerdp (Freerdp)

References

• https://github.com/FreeRDP/FreeRDP/commit/d9ca272dce7a776ab475e9b1a8e8c3d2968c8486
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-45pf-68pj-fg8q