XnSoft XnView Classic RWZ File Parsing Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of XnSoft XnView Classic. 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 RWZ files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22913.
                
            References
                    | Link | Resource | 
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-24-1640/ | Third Party Advisory | 
Configurations
                    History
                    15 Aug 2025, 18:31
| Type | Values Removed | Values Added | 
|---|---|---|
| CVSS | v2 : v3 : | v2 : unknown v3 : 8.8 | 
| CPE | cpe:2.3:a:xnview:xnview:2.51.5:*:*:*:classic:*:*:* | |
| Summary | 
 | |
| References | () https://www.zerodayinitiative.com/advisories/ZDI-24-1640/ - Third Party Advisory | |
| First Time | Xnview xnview Xnview | 
12 Dec 2024, 01:40
| Type | Values Removed | Values Added | 
|---|---|---|
| New CVE | 
Information
                Published : 2024-12-12 01:40
Updated : 2025-08-15 18:31
NVD link : CVE-2024-11950
Mitre link : CVE-2024-11950
CVE.ORG link : CVE-2024-11950
JSON object : View
Products Affected
                xnview
- xnview
CWE
                
                    
                        
                        CWE-191
                        
            Integer Underflow (Wrap or Wraparound)
