CVE-2021-46064 Memory corruption in n/a

High 7.8 Published 23 Mar 2022 Updated 9 Jul 2026

Attackers can execute arbitrary code by tricking users into opening malicious TIFF images in IrfanView.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-46064?

CVE-2021-46064 is a high-severity memory corruption vulnerability in Irfanview Irfanview, published on 23 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-120

Which versions are affected by CVE-2021-46064?

It affects 1 product.

Products include Irfanview Irfanview.

How do I fix CVE-2021-46064?

No fix has been published for CVE-2021-46064 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-46064 being exploited?

There is no known exploitation of CVE-2021-46064 in the wild and no public exploit code.

All Irfanview Irfanview vulnerabilities

Sources

Also known as GHSA-rpf4-v2rp-mcmq.