CVE-2020-23558 Memory corruption in n/a
A write access violation in IrfanView allows attackers to execute arbitrary code via crafted image files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-23558?
CVE-2020-23558 is a high-severity memory corruption vulnerability in Irfanview Irfanview, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ShowPlugInSaveOptions_W+0x0000000000007f4b.
Weakness: CWE-787
Which versions are affected by CVE-2020-23558?
It affects 1 product.
Products include Irfanview Irfanview.
How do I fix CVE-2020-23558?
No fix has been published for CVE-2020-23558 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-2020-23558 being exploited?
There is no known exploitation of CVE-2020-23558 in the wild and no public exploit code.
Other vulnerabilities in Irfanview Irfanview
Sources
Also known as GHSA-p99v-4h73-2rxr.