CVEvulnerability
CVE-2026-67296
8.7 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-01
- Last modified
- 2026-09-11
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-20
Description
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 configurations
• freerdp freerdp (< 3.29.0)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v Exploit, Vendor Advisory
- https://www.vulncheck.com/advisories/freerdp-before-denial-of-service-via-rdpei-pdu Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v Exploit, Vendor Advisory