---
id: CVE-2021-46064
title: >-
  IrfanView 4.59 is vulnerable to buffer overflow via the function at address
  0x413c70 (in 32bit version of the binary)
summary: >-
  IrfanView 4.59 is vulnerable to buffer overflow via the function at address
  0x413c70 (in 32bit version of the binary). The vulnerability triggers when the
  user opens malicious .tiff image.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-120
vendor: irfanview
product: irfanview
affected:
  - irfanview = 4.59
published: '2022-03-23'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-46064'
references:
  - url: 'https://www.irfanview.info/main_history.htm'
    label: cve@mitre.org
  - url: 'http://irfan.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://irfanview.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.irfanview.info/main_history.htm'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01131
epssPercentile: 0.65022
ingestedAt: '2026-07-06T02:09:23.444Z'
---

## Overview

IrfanView 4.59 is vulnerable to buffer overflow via the function at address 0x413c70 (in 32bit version of the binary). The vulnerability triggers when the user opens malicious .tiff image.

## Affected

- `irfanview = 4.59`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.