CVE-2026-121398
mediumFreeRDP before 3.32.2 contains a cross-thread use-after-free vulnerability in the freerdp-proxy dyn-channel-dump module during session teardown.
Vendor / product: Freerdp — freerdp
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.
CVSS
5.9
5.9 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-11-03 15:17
Modified: 2026-11-03 16:11
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 16:20 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
freerdp / freerdp <3.32.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v3q2-qjvf-7rqw disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-dyn-channel-... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 16:20 UTC · record ↗