Vulnerability · Published Jul 21, 2025 · Assigned by zdi
CVE-2025-7234IrfanView CADImage Plugin CGM File Parsing Out-of-Bounds Write Remote Code Execution Vulnerability
High 7.8
In plain English
A high-severity out-of-bounds write in IrfanView from IrfanView. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Official description
IrfanView CADImage Plugin CGM File Parsing Out-of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView CADImage Plugin. 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 CGM files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26074.
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- ZDI-25-495 x_research-advisory