CVE-2026-24676

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

State: Published
Severity: 7.7 High
Published: Feb 9, 2026
Updated: Feb 10, 2026
Reserved: Jan 23, 2026

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin->format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.

Scores

CVSS	Score	Vector	Source
4.0	7.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P	GitHub_M

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
FreeRDPFreeRDP	< 3.22.0Affected

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qh5p-frq4-pgxj
https://github.com/FreeRDP/FreeRDP/commit/026b81ae5831ac1598d8f7371e0d0996fac7db00

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