CVE-2022-38222 Use after free in n/a
A use-after-free vulnerability in Xpdf allows attackers to cause denial of service via crafted PDF 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
- Available
What is CVE-2022-38222?
CVE-2022-38222 is a high-severity use after free vulnerability in Xpdfreader Xpdf, published on 15 Aug 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
There is a use-after-free issue in JBIG2Stream::close() located in JBIG2Stream.cc in Xpdf 4.04. It can be triggered by sending a crafted PDF file to (for example) the pdfimages binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.
Weakness: CWE-416
Which versions are affected by CVE-2022-38222?
It affects 1 product.
Products include Xpdfreader Xpdf.
How do I fix CVE-2022-38222?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-38222 being exploited?
There is no known exploitation of CVE-2022-38222 in the wild and no public exploit code.
Other vulnerabilities in Xpdfreader Xpdf
Sources
Also known as GHSA-jh9w-w754-x3hr, UBUNTU-CVE-2022-38222.