IrfanView vulnerabilities
4 known CVE vulnerabilities in IrfanView, translated and rated.
- CVE-2026-121517Medium
A vulnerability was detected in IrfanView 4.76.0.0 on Win64 in an unknown functionality of the TIFF Wang Annotation Handler component, resulting in a heap-based buffer overflow. The attack is possible remotely, though of high complexity and difficult to exploit; the exploit is now public. The vendor confirms that the TIF-Annotations option is OFF by default, so normal users are not affected, and rates the danger level as low.
- CVE-2017-2813High
An exploitable integer overflow vulnerability exists in the JPEG 2000 parser functionality of IrfanView 4.44. A specially crafted jpeg2000 image can cause an integer overflow leading to wrong memory allocation resulting in arbitrary code execution.
- CVE-2021-46064High
IrfanView 4.59 is vulnerable to a buffer overflow in the function at address 0x413c70 (in the 32-bit version). The vulnerability is triggered when the user opens a malicious TIFF image.
- CVE-2020-23546High
IrfanView 4.54 contains a vulnerability that allows an attacker to cause a denial of service or possibly other unspecified impacts via a crafted XBM file. The issue is related to data from a faulting address being used as arguments in a function call in FORMATS!ReadMosaic.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

