CVE-2020-13879 Memory corruption in n/a

Critical 9.8 Published 5 Jan 2024 Updated 17 Apr 2025

A heap-based out-of-bounds write in the IrfanView B3D plugin allows attackers to execute arbitrary code via a crafted file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-13879?

CVE-2020-13879 is a critical memory corruption vulnerability in n/a, published on 5 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IrfanView B3D PlugIns before version 4.56 has a B3d.dll!+214f heap-based out-of-bounds write.

Weakness: CWE-787

Which versions are affected by CVE-2020-13879?

It affects 1 product.

Products include Irfanview B3d.

How do I fix CVE-2020-13879?

No fix has been published for CVE-2020-13879 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-2020-13879 being exploited?

There is no known exploitation of CVE-2020-13879 in the wild and no public exploit code.

Sources

Also known as GHSA-3wh6-ghqv-v6wx.