Use after free in Sante DICOM Viewer Pro
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Sante DICOM Viewer Pro DCM File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Sante DICOM Viewer Pro. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of DCM files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-21086.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-34294
- 2026-10-03 Alias added: GHSA-fcww-w53c-cmpf
- 2026-10-25 EPSS moved to the below the 50th percentile
References
Advisory 1
More Sante Dicom Viewer Pro vulnerabilities
- TI-2023-17131 Out-of-bounds write in Sante DICOM Viewer Pro CVSS 3.1HIGH 8.8
- TI-2023-17130 Out-of-bounds write in Sante DICOM Viewer Pro CVSS 3.1HIGH 8.8
- TI-2023-17129 Out-of-bounds write in Sante DICOM Viewer Pro CVSS 3.1HIGH 8.8
- TI-2023-15437 Use after free in Sante DICOM Viewer Pro CVSS 3.1HIGH 8.8
- TI-2023-15436 Out-of-bounds write in Sante DICOM Viewer Pro CVSS 3.1HIGH 8.8
- TI-2023-15435 Out-of-bounds write in Sante DICOM Viewer Pro CVSS 3.1HIGH 8.8
Sources
- CVE-2023-34294 · CVE Program
- CVE-2023-34294 · NVD
- FIRST EPSS
- GHSA-fcww-w53c-cmpf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences