CVE-2026-109252

MEDIUMCVSS 5.3

Description

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.

Timeline

Published:October 12th, 2026 5:17 PM

Last modified:October 15th, 2026 3:17 AM

CVSS Scoring

CVSS v3: 5.3 (MEDIUM)

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-476

References & Reports

Advisories, patches, and third-party reports

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-93g7-296p-j77j
https://www.vulncheck.com/advisories/freerdp-from-3.9.0-before-3.32.0-rdpear-null-pointer-dereference-via-kerb-rpc-internal-name
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-93g7-296p-j77j

Source: NIST NVD · Data may lag official sources by up to one minute