CVE-2021-37819 Denial of service in n/a
An attacker can cause a denial of service in pdftk-java by triggering an infinite loop in the PDF reader component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-37819?
CVE-2021-37819 is a high-severity denial of service vulnerability in n/a, published on 9 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java.
Weakness: CWE-835
Which versions are affected by CVE-2021-37819?
It affects 1 product.
Products include Pdftk-Java Project Pdftk-Java.
How do I fix CVE-2021-37819?
Upgrade to a fixed version.
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-2021-37819 being exploited?
There is no known exploitation of CVE-2021-37819 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2021-37819, GHSA-gj7r-55x2-8vv5, UBUNTU-CVE-2021-37819.