ID:12326 - Exploit for Heap-based buffer overflow in FreeRDP - CVE-2026-23534

 
Main Vulnerability Database Exploits ID:12326 - Exploit for Heap-based buffer overflow in FreeRDP - CVE-2026-23534

ID:12326 - Exploit for Heap-based buffer overflow in FreeRDP - CVE-2026-23534

Published: January 22, 2026


Vulnerability identifier: #VU121939
Vulnerability risk: High
CVE-ID: CVE-2026-23534
CWE-ID: CWE-122
Exploitation vector: Remote access
Vulnerable software:
FreeRDP

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in clear_decompress_bands_data. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.