CVE-2022-23318 Memory corruption in n/a

High 7.1 Published Updated

A heap-buffer-overflow in pcf2bdf allows attackers to cause crashes or disclose memory via crafted PCF font 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-2022-23318?

CVE-2022-23318 is a high-severity memory corruption vulnerability in n/a, published on 17 Feb 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

A heap-buffer-overflow in pcf2bdf, versions >= 1.05 allows an attacker to trigger unsafe memory access via a specially crafted PCF font file. This out-of-bound read may lead to an application crash, information disclosure via program memory or other context-dependent impact.

Weakness: CWE-787

Which versions are affected by CVE-2022-23318?

It affects 1 product.

Products include Pcf2bdf Project Pcf2bdf.

How do I fix CVE-2022-23318?

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-2022-23318 being exploited?

There is no known exploitation of CVE-2022-23318 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2022-23318, GHSA-mhwp-x94h-mg49, UBUNTU-CVE-2022-23318.

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