CVE-2026-114042
FreeRDP 3.32.0 contains a use-after-free vulnerability in the drdynvc channel that frees a pool-owned stream with the owned-stream deallocator when totalLength is smaller than the chunk size. A malicious RDP server can send a single well-formed Virtual Channel PDU to trigger the free and crash the client during teardown.
- Score
- CVSS 4.0 7.1 High
- Status
- Awaiting Analysis - disclosure@vulncheck.com
- Published
- 2026-10-21
- Last modified
- 2026-10-22
- Weaknesses
- CWE-416
Affected products
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5xjc-c64q-m8r6
- https://www.vulncheck.com/advisories/freerdp-3.32.0-use-after-free-via-drdynvc-virtual-channel-pdu
