CVE-2026-121957

HIGH 7.5

FreeRDP before 3.32.2 Use-After-Free via RDPGFX ResetGraphics Race

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

FreeRDP before 3.32.2 contains a use-after-free vulnerability that allows malicious RDP servers to corrupt client memory by racing the RDPGFX ResetGraphics handler against the planar bitmap decoder. Attackers can send ResetGraphics while concurrently sending compressed bitmaps of 32 bpp or more to trigger heap use-after-free or out-of-bounds read/write on shared planar buffers.

CWE	CWE-362
Vendor	freerdp
Product	freerdp
Published	Nov 4, 2026
Last Updated	Nov 4, 2026

Stay Ahead of the Next One

Get instant alerts for freerdp freerdp

Be the first to know when new high vulnerabilities affecting freerdp freerdp are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

FreeRDP / FreeRDP

0 < 3.32.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xjhw-2r55-m95g vulncheck.com: https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-rdpgfx-resetgraphics-race

Credits

smaeljaish771 KeenSecurityLab