CVE-2020-23707 Memory corruption in n/a

Medium 6.5 Published 15 Jul 2021 Updated 4 Aug 2024

Attackers can cause a denial of service via a crafted JPEG file due to a heap-based buffer overflow in the ok-file-formats library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-23707?

CVE-2020-23707 is a medium-severity memory corruption vulnerability in n/a, published on 15 Jul 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_progressive() at ok_jpg.c:1054 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.

Weakness: CWE-787

Which versions are affected by CVE-2020-23707?

It affects 1 product.

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

How do I fix CVE-2020-23707?

No fix has been published for CVE-2020-23707 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-2020-23707 being exploited?

There is no known exploitation of CVE-2020-23707 in the wild and no public exploit code.

Sources

Also known as GHSA-3587-cr9c-7c76.