CVE-2020-23566 Denial of service in n/a
An attacker can cause a denial of service in Irfanview by triggering an infinite loop via a malicious JPEG2000 file.
- 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-2020-23566?
CVE-2020-23566 is a medium-severity denial of service vulnerability in Irfanview Irfanview, published on 5 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Irfanview v4.53 was discovered to contain an infinity loop via JPEG2000!ShowPlugInSaveOptions_W+0x1ecd8.
Weakness: CWE-835
Which versions are affected by CVE-2020-23566?
It affects 1 product.
Products include Irfanview Irfanview.
How do I fix CVE-2020-23566?
No fix has been published for CVE-2020-23566 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-23566 being exploited?
There is no known exploitation of CVE-2020-23566 in the wild and no public exploit code.
Other vulnerabilities in Irfanview Irfanview
Sources
Also known as GHSA-vc8p-98q7-88hp.