Buffer overflow in Irfanview Formats

CVE-2024-5877

IrfanView PIC File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView. 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 PIC files. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-23974.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (40.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-5877?
CVE-2024-5877 is a high-severity vulnerability in Irfanview Formats, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-11-22.
How severe is CVE-2024-5877?
High severity. CVSS v3 base score is 7.8 out of 10.