CVE-2018-16369 Denial of service in n/a

Medium 5.5 Published 3 Sep 2018 Updated 5 Aug 2024

Remote attackers can cause a denial of service via stack consumption in Xpdf by providing a crafted PDF file.

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: None listed

What is CVE-2018-16369?

CVE-2018-16369 is a medium-severity denial of service vulnerability in Xpdfreader Xpdf, published on 3 Sep 2018. 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

XRef::fetch in XRef.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (stack consumption) via a crafted pdf file, related to AcroForm::scanField, as demonstrated by pdftohtml. NOTE: this might overlap CVE-2018-7453.

Which versions are affected by CVE-2018-16369?

It affects 1 product.

Products include Xpdfreader Xpdf.

How do I fix CVE-2018-16369?

No fix has been published for CVE-2018-16369 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-2018-16369 being exploited?

There is no known exploitation of CVE-2018-16369 in the wild and no public exploit code.

All Xpdfreader Xpdf vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-16369, GHSA-8qjh-h494-v558, UBUNTU-CVE-2018-16369.