CVE-2022-38238 Memory corruption in n/a

High 7.8 Published 16 Aug 2022 Updated 3 Aug 2024

A heap-buffer overflow in XPDF allows attackers to execute arbitrary code or 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: None listed

What is CVE-2022-38238?

CVE-2022-38238 is a high-severity memory corruption vulnerability in n/a, published on 16 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 commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::lookChar() at /xpdf/Stream.cc.

Weakness: CWE-787

Which versions are affected by CVE-2022-38238?

It affects 1 product.

Products include Xpdf Project Xpdf.

How do I fix CVE-2022-38238?

No fix has been published for CVE-2022-38238 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-38238 being exploited?

There is no known exploitation of CVE-2022-38238 in the wild and no public exploit code.

Sources

Also known as GHSA-r958-hqfr-jrp7, UBUNTU-CVE-2022-38238.