{"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":0.64992,"ingestedAt":"2026-07-06T02:09:23.444Z","slug":"CVE-2021-46064","body":"## Overview\n\nIrfanView 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.\n\n## Affected\n\n- `irfanview = 4.59`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}