CVE-2022-38171 Integer overflow in n/a
An integer overflow in the JBIG2 decoder allows attackers to execute arbitrary code or cause a crash 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-2022-38171?
CVE-2022-38171 is a high-severity vulnerability in Freedesktop Poppler, published on 22 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
Xpdf prior to version 4.04 contains an integer overflow in the JBIG2 decoder (JBIG2Stream::readTextRegionSeg() in JBIG2Stream.cc). Processing a specially crafted PDF file or JBIG2 image could lead to a crash or the execution of arbitrary code. This is similar to the vulnerability described by CVE-2021-30860 (Apple CoreGraphics).
Weakness: CWE-190
Which versions are affected by CVE-2022-38171?
It affects 2 products.
Products include Freedesktop Poppler, Xpdfreader Xpdf.
How do I fix CVE-2022-38171?
Upgrade to a fixed version.
Is CVE-2022-38171 being exploited?
There is no known exploitation of CVE-2022-38171 in the wild and no public exploit code.
Other vulnerabilities in Freedesktop Poppler
Sources
Also known as GHSA-wxgh-95h6-c68v, JLSEC-2026-80, UBUNTU-CVE-2022-38171.