NULL pointer dereference in Sante Pacs Server
CVE-2025-14501
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (53.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000
Affected products
- Sante Pacs Server — versions 4.2.2
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-25-1104/ (x_research-advisory)
Frequently asked questions
- What is CVE-2025-14501?
- CVE-2025-14501 is a high-severity vulnerability in Sante Pacs Server, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-12-23.
- How severe is CVE-2025-14501?
- High severity. CVSS v3 base score is 7.5 out of 10.