CVE-2025-7308: 
IrfanView vulnerability analysis and mitigation

IrfanView CADImage Plugin contains a memory corruption vulnerability in the parsing of DWG files (CVE-2025-7308). The vulnerability was discovered by Rocco Calvi and reported to the vendor on February 28, 2025, with public disclosure on July 8, 2025. This security flaw affects IrfanView CADImage Plugin installations prior to version 4.72 (Zero Day Initiative).

The vulnerability exists within the parsing of DWG files and stems from improper validation of user-supplied data, which can result in a memory corruption condition. The issue has been assigned a CVSS v3.0 base score of 7.8 (HIGH) with the vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is tracked under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) (Zero Day Initiative).

If successfully exploited, this vulnerability allows attackers to execute arbitrary code in the context of the current process. The attack requires user interaction, specifically the target must visit a malicious page or open a malicious file (Zero Day Initiative).

The vulnerability has been fixed in IrfanView CADImage Plugin version 4.72. Users are advised to upgrade to this version or later to mitigate the risk (Zero Day Initiative).