Heap Out-of-Bounds Read Vulnerability in FreeRDP from FreeRDP
CVE-2026-109950

5.3MEDIUM

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
13 October 2026

What is CVE-2026-109950?

FreeRDP versions prior to 3.32.0 contain a vulnerability that can be exploited by a malicious Remote Desktop Gateway. This flaw allows attackers to crash client applications by sending improperly defined message lengths. Specifically, by sending a message with a larger byte count than expected, the vulnerability leads to an out-of-bounds read, disrupting the normal operation of the clients. This issue can result in significant downtime and accessibility problems for users relying on FreeRDP for remote desktop services.

Affected Version(s)

FreeRDP 3.0.0 < 3.32.0

FreeRDP 3.32.0

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/freerdp-3.0.0-before...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
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
.