CVE-2022-43071 Denial of service in n/a
Attackers can cause a denial of service via a crafted PDF file exploiting a stack overflow in the XPDF library.
- 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
- Available
What is CVE-2022-43071?
CVE-2022-43071 is a medium-severity denial of service vulnerability in Xpdfreader Xpdf, published on 15 Nov 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
A stack overflow in the Catalog::readPageLabelTree2(Object*) function of XPDF v4.04 allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.
Weakness: CWE-787
Which versions are affected by CVE-2022-43071?
It affects 1 product.
Products include Xpdfreader Xpdf.
How do I fix CVE-2022-43071?
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-2022-43071 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43071 exists.
Other vulnerabilities in Xpdfreader Xpdf
Sources
Also known as GHSA-w2xw-7pjh-2342, UBUNTU-CVE-2022-43071.