CVE-2026-24491

EUVD-2026-6481
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Affected Products (NVD)
VendorProductVersion
freerdpfreerdp
𝑥
< 3.22.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
freerdp2
bookworm
no-dsa
bullseye
vulnerable
bullseye (security)
vulnerable
trixie
no-dsa
freerdp3
bookworm
no-dsa
forky
3.22.0+dfsg-3
fixed
sid
3.22.0+dfsg-3
fixed
trixie
no-dsa
Common Weakness Enumeration
References
https://github.com/FreeRDP/FreeRDP/commit/e02e052f6692550e539d10f99de9c35a23492db2
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4x6j-w49r-869g