CVE-2023-37837 Memory corruption in n/a

Medium 6.5 Published 13 Jul 2023 Updated 30 Oct 2024

Attackers can cause a denial of service via a crafted file due to a heap buffer overflow in libjpeg.

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: Available

What is CVE-2023-37837?

CVE-2023-37837 is a medium-severity memory corruption vulnerability in n/a, published on 13 Jul 2023. 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

libjpeg commit db33a6e was discovered to contain a heap buffer overflow via LineBitmapRequester::EncodeRegion at linebitmaprequester.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.

Weakness: CWE-787

Which versions are affected by CVE-2023-37837?

It affects 1 product.

Products include Jpeg Libjpeg.

How do I fix CVE-2023-37837?

Apply the vendor's patch.

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

Is CVE-2023-37837 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-37837 exists.

Sources

Also known as DEBIAN-CVE-2023-37837, GHSA-6x7q-9cfj-xmp2, UBUNTU-CVE-2023-37837.