Medium severity5.9NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026
CVE-2026-121398
CVE-2026-121398
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.
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Affected products
1Patches
Vulnerability mechanics
References
2- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v3q2-qjvf-7rqwnvdVendor Advisory
- www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-dyn-channel-dump-modulenvdThird Party Advisory
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