CVE-2021-44342 Memory corruption in n/a

High 7.8 Published 28 Feb 2022 Updated 4 Aug 2024

A buffer overflow in the ok-file-formats library allows attackers to execute arbitrary code or cause denial of service via crafted PNG 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-2021-44342?

CVE-2021-44342 is a high-severity memory corruption vulnerability in n/a, published on 28 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

David Brackeen ok-file-formats 203defd is vulnerable to Buffer Overflow via function ok_png_transform_scanline() in "/ok_png.c:494".

Weakness: CWE-787

Which versions are affected by CVE-2021-44342?

It affects 1 product.

Products include Ok-File-Formats Project Ok-File-Formats.

How do I fix CVE-2021-44342?

No fix has been published for CVE-2021-44342 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-2021-44342 being exploited?

There is no known exploitation of CVE-2021-44342 in the wild and no public exploit code.

Sources

Also known as GHSA-wv8m-j7h6-f77m.