CVE-2020-23563 Memory corruption in n/a

Medium 5.5 Published Updated

A memory corruption vulnerability in IrfanView allows attackers to cause a write access violation, potentially leading to code execution or application crashes.

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-2020-23563?

CVE-2020-23563 is a medium-severity memory corruption vulnerability in Irfanview Irfanview, published on 17 Jul 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 4.54 allows a user-mode write access violation starting at FORMATS!ShowPlugInSaveOptions_W+0x0000000000002cba.

Weakness: CWE-119

Which versions are affected by CVE-2020-23563?

It affects 1 product.

Products include Irfanview Irfanview.

How do I fix CVE-2020-23563?

No fix has been published for CVE-2020-23563 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-2020-23563 being exploited?

There is no known exploitation of CVE-2020-23563 in the wild and no public exploit code.

All Irfanview Irfanview vulnerabilities

Sources

Also known as GHSA-g95q-9r69-3phw.

Is CVE-2020-23563 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free