CVE-2024-11535: 
IrfanView vulnerability analysis and mitigation

A remote code execution vulnerability was discovered in IrfanView, identified as CVE-2024-11535. The vulnerability exists within the parsing of DXF files and was disclosed on November 21, 2024. This flaw affects IrfanView installations, specifically version 4.67 for both x64 and x86 architectures (ZDI Advisory).

The vulnerability stems from an out-of-bounds read condition during DXF file parsing. The specific issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (High) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The weakness has been classified as CWE-125 (Out-of-bounds Read) (ZDI Advisory, NVD).

If successfully exploited, this vulnerability allows attackers to execute arbitrary code in the context of the current process. The high CVSS score indicates potential severe impacts on system confidentiality, integrity, and availability (ZDI Advisory).

The vulnerability has been fixed in IrfanView version 4.70 with plugins version 4.70. Users are advised to upgrade to this version to mitigate the risk (ZDI Advisory).