CVE-2020-23561 Memory corruption in n/a
A write access violation in IrfanView allows attackers to execute arbitrary code or cause a denial of service via crafted files.
- 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-2020-23561?
CVE-2020-23561 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+0x0000000000005722.
Which versions are affected by CVE-2020-23561?
It affects 1 product.
Products include Irfanview Irfanview.
How do I fix CVE-2020-23561?
No fix has been published for CVE-2020-23561 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-2020-23561 being exploited?
There is no known exploitation of CVE-2020-23561 in the wild and no public exploit code.
Other vulnerabilities in Irfanview Irfanview
Sources
Also known as GHSA-4q7p-9wvx-4p2w.