CVE-2021-44343 Memory corruption in n/a

High 7.8 Published 2 Mar 2022 Updated 4 Aug 2024

A heap-buffer-overflow in the ok-file-formats library allows attackers to cause denial of service or execute arbitrary code 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-2021-44343?

CVE-2021-44343 is a high-severity memory corruption vulnerability in n/a, published on 2 Mar 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. When the function of the ok-file-formats project is used, a heap-buffer-overflow occurred in function ok_png_read_data() in "/ok_png.c".

Weakness: CWE-120

Which versions are affected by CVE-2021-44343?

It affects 1 product.

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

How do I fix CVE-2021-44343?

No fix has been published for CVE-2021-44343 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-2021-44343 being exploited?

There is no known exploitation of CVE-2021-44343 in the wild and no public exploit code.

Sources

Also known as GHSA-cfv7-q2mc-vm3f.