CVE-2022-30524 Memory corruption in n/a
A remote attacker can cause a denial of service via segmentation fault by sending a crafted PDF file to the pdftotext binary in Xpdf.
- 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-2022-30524?
CVE-2022-30524 is a high-severity memory corruption vulnerability in Xpdfreader Xpdf, published on 9 May 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 an invalid memory access in the TextLine class in TextOutputDev.cc in Xpdf 4.0.4 because the text extractor mishandles characters at large y coordinates. It can be triggered by (for example) sending a crafted pdf file to the pdftotext binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.
Weakness: CWE-787
Which versions are affected by CVE-2022-30524?
It affects 1 product.
Products include Xpdfreader Xpdf.
How do I fix CVE-2022-30524?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-30524 being exploited?
There is no known exploitation of CVE-2022-30524 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Xpdfreader Xpdf
Sources
Also known as CVE-2023-26931, GHSA-cm35-4jxq-5m42, UBUNTU-CVE-2022-30524.