NULL pointer dereference in PACS Server - CVE-2025-14501
Published: January 23, 2026
Vulnerability identifier: #VU121967
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-14501
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the handling of HTTP Content-Length header. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Affected software
PACS Server
How to mitigate CVE-2025-14501
Install updates from vendor's website.
PACS Server - update to 4.2.3