Integer Overflow Vulnerability in FreeRDP Affected by Mapped Video Coordinates
CVE-2026-109938

7.1HIGH

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
13 October 2026

What is CVE-2026-109938?

A vulnerability exists in FreeRDP where an integer overflow can occur due to improperly mapped video coordinates. When users connect to a compromised RDP server with video redirection enabled, the server can forcefully terminate the FreeRDP client. This exploit poses a significant risk to user sessions, leading to potential denial of service. Users are encouraged to upgrade to the latest version of FreeRDP to mitigate this risk.

Affected Version(s)

FreeRDP 3.11.0 < 3.32.0

FreeRDP 3.32.0

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/freerdp-3.11.0-befor...
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kushalkhemka
opensec-intelligence
mayank-jangid-moon
skigeek16
.