CVE-2025-14501 Sante PACS Server HTTP Content-Length Header Handling NULL Pointer Dereference Denial-of-Service Vulnerability

High 7.5 Published Updated

Remote attackers can cause a denial-of-service condition in Sante PACS Server by exploiting a null pointer dereference in HTTP header handling without authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-14501?

CVE-2025-14501 is a high-severity vulnerability in Sante PACS Server, published on 23 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Sante PACS Server HTTP Content-Length Header Handling NULL Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Sante PACS Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of HTTP Content-Length header. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-26770.

Weakness: CWE-476

Which versions are affected by CVE-2025-14501?

How do I fix CVE-2025-14501?

No fix has been published for CVE-2025-14501 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-14501 being exploited?

There is no known exploitation of CVE-2025-14501 in the wild and no public exploit code.

Sources

Also known as GHSA-7pvc-gq25-w4q2.

Is CVE-2025-14501 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free