CVE-2026-91947
Last modified
CVE-2026-91947 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. FreeRDP server versions before 3.31.0 contain a use-after-free vulnerability in the DRDYNVC parser that dereferences a channel pointer after releasing the synchronization lock. Authenticated clients can race AUDIN channel closure messages against DRDYNVC data parsing to trigger heap-use-after-free when accessing freed channel objects.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
FreeRDP server versions before 3.31.0 contain a use-after-free vulnerability in the DRDYNVC parser that dereferences a channel pointer after releasing the synchronization lock. Authenticated clients can race AUDIN channel closure messages against DRDYNVC data parsing to trigger heap-use-after-free when accessing freed channel objects.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| FreeRDP | FreeRDP | >= 2.0.0, < 3.31.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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