Vulnerability DatabaseCVE-2026-109252
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-109252
Published:October 12, 2026
Updated:October 13, 2026
FreeRDP from 3.9.0 before 3.32.0 contains a NULL pointer dereference vulnerability in the RDPEAR NDR reader that allows malicious servers to crash clients via truncated KERB_RPC_INTERNAL_NAME data. Attackers can send a CreateApReqAuthenticatorReq with NameCount of two or more ending before the Names pointer, causing cleanup to dereference a null base and terminate the client.
Affected Packages
https://github.com/FreeRDP/FreeRDP.git (GITHUB):
Affected version(s) >=3.31.0 <3.32.0
Fix Suggestion:
Update to version 3.32.0
Related Resources (4)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109252.json
https://www.vulncheck.com/advisories/freerdp-from-3.9.0-before-3.32.0-rdpear-null-pointer-dereference-via-kerb-rpc-internal-name
https://nvd.nist.gov/vuln/detail/CVE-2026-109252
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-93g7-296p-j77j
Do you need more information?
Contact Us
CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
NULL Pointer Dereference
CWE-476