Null Pointer Dereference in FreeRDP Affects Linux Clients
CVE-2026-110834

7.1HIGH

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
14 October 2026

What is CVE-2026-110834?

FreeRDP versions prior to 3.32.0 are susceptible to a null pointer dereference vulnerability, which can be exploited by malicious RDP servers. By sending out-of-lifecycle serial IRPs, such as IRP_MJ_READ or IRP_MJ_WRITE, attackers can trigger CommReadFile or CommWriteFile functions to dereference a null handle, resulting in crashes of RDP clients that utilize Linux serial redirection.

Affected Version(s)

FreeRDP 2.0.0 < 3.32.0

FreeRDP 3.32.0

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/freerdp-2.0.0-before...
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
mayank-jangid-moon
skigeek16
opensec-intelligence
.