PT-2022-12543 · Irfanview · Irfanview

CVE-2021-46064 · Published 2022-03-23 · Updated 2026-07-05

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions IrfanView version 4.59

Description The issue arises from a buffer overflow via the function at address 0x413c70 in the 32-bit version of the binary. This occurs when a user opens a malicious .tiff image.

Recommendations For IrfanView version 4.59, consider avoiding the use of the vulnerable function at address 0x413c70 until a patch is available. As a temporary workaround, refrain from opening .tiff images from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-46064

Affected Products

Irfanview

References · 7

• https://irfanview.info/main_history.htm · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46064 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46064 · Vendor Advisory
• http://irfanview.com · Note
• https://t.me/cveNotify/187989 · Telegram Post
• http://irfan.com · Note
• https://t.me/cibsecurity/39432 · Telegram Post