CVE-2025-14501
Sante PACS Server HTTP Content-Length Header Handling NULL Pointer Dereference Denial-of-Service Vulnerability
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.
INFO
Published Date :
Dec. 23, 2025, 10:15 p.m.
Last Modified :
Oct. 19, 2026, 10:10 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.0 | HIGH | 99f1926a-a320-47d8-bbb5-42feb611262e | ||||
| CVSS 3.0 | HIGH | [email protected] | ||||
| CVSS 3.0 | HIGH | MITRE-CVE |
Solution
- Update Sante PACS Server to the latest secure version.
- Apply available security patches from the vendor.
- Monitor system for any unusual activity.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-14501.
| URL | Resource |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-25-1104/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-14501 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-14501
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-14501 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-14501 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 19, 2026
Action Type Old Value New Value Added Translation Title: PACS Server de Sante, Description: Vulnerabilidad de denegación de servicio por desreferencia de puntero nulo en el manejo del encabezado HTTP Content-Length del servidor Sante PACS.\n\nEsta vulnerabilidad permite a atacantes remotos crear una condición de denegación de servicio en instalaciones afectadas del servidor Sante PACS. No se requiere autenticación para explotar esta vulnerabilidad.\n\nEl defecto específico existe en el manejo del encabezado HTTP Content-Length. El problema se debe a la falta de validación adecuada de un puntero antes de acceder a él. Un atacante puede aprovechar esta vulnerabilidad para crear una condición de denegación de servicio en el sistema. Fue ZDI-CAN-26770. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Sante', 'product': 'PACS Server', 'versions': [{'status': 'affected', 'version': '4.2.2'}], 'defaultStatus': 'unknown'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2025-14501', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2025-12-29T18:04:38.937494Z'} -
New CVE Received by [email protected]
Dec. 23, 2025
Action Type Old Value New Value Added 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. Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added Reference https://www.zerodayinitiative.com/advisories/ZDI-25-1104/