CVE-2026-121961
mediumFreeRDP before 3.32.2 contains a use-after-free vulnerability in the freerdp-proxy DRDYNVC tracker when intercepting the drdynvc channel.
FreeRDP before 3.32.2 contains a use-after-free vulnerability in the freerdp-proxy DRDYNVC tracker when intercepting the drdynvc channel. A malicious target server can repeatedly send CREATE_REQUEST_PDU for an active channel id, racing front DATA handling to free a borrowed context 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: 2026-11-04 16:17
Modified: 2026-11-04 19:17
NVD status: Undergoing Analysis
Last synced 5 hours ago
Verified against the source API 2026-11-04 19:35 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
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qw7w-hhxq-763c disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-drdynvc-trac... disclosure@vulncheck.com
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qw7w-hhxq-763c 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 19:35 UTC · record ↗