CVE-2026-67296
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
FreeRDP before 3.29.0 contains a denial of service vulnerability in the RDPEI server channel handler that fails to validate maximum PDU body length before stream allocation. A malicious RDP client can send a header-only RDPEI message with a large declared body length to force excessive memory allocation on the server.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FreeRDP | FreeRDP | 0 < 3.29.0 | affected |
| FreeRDP | FreeRDP | 3.29.0 | unaffected |
Weaknesses
- CWE-20: Improper Input Validation
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v
- https://www.vulncheck.com/advisories/freerdp-before-denial-of-service-via-rdpei-pdu
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