CVE-2026-22856
6.8
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FreeRDP | FreeRDP | < 3.20.1 | affected |
Weaknesses
- CWE-362: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- CWE-416: CWE-416: Use After Free
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w842-c386-fxhv
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.