CVE-2026-121398

MediumCVSS 5.9/10Last modified Nov 7, 2026

Description

FreeRDP before 3.32.2 contains a cross-thread use-after-free vulnerability in the freerdp-proxy dyn-channel-dump module during session teardown. A malicious RDP target can send dynamic channel data while the front client disconnects, letting the client thread read freed ChannelData and crash the proxy process.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
FreeRDPFreeRDP< 3.32.2

References

Timeline

Published
Nov 3, 2026
Last modified
Nov 7, 2026
NVD status
Modified

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CVE-2026-121398: Medium severity, CVSS 5.9 | Vulnix