CVE-2023-37732 Null dereference in n/a

Medium 5.5 Published 26 Jul 2023 Updated 23 Oct 2024

An attacker can cause a denial of service in the Yasm assembler library by providing a crafted file that triggers a null pointer dereference.

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-2023-37732?

CVE-2023-37732 is a medium-severity vulnerability in n/a, published on 26 Jul 2023. 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

Yasm v1.3.0.78 was found prone to NULL Pointer Dereference in /libyasm/intnum.c and /elf/elf.c, which allows the attacker to cause a denial of service via a crafted file.

Weakness: CWE-476

Which versions are affected by CVE-2023-37732?

It affects 1 product.

Products include Yasm Project Yasm.

How do I fix CVE-2023-37732?

Apply the vendor's patch.

Is CVE-2023-37732 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-37732 exists.

Sources

Also known as AZL-27658, AZL-35395, DEBIAN-CVE-2023-37732, GHSA-4p37-82f3-xmhv, OESA-2023-1508, UBUNTU-CVE-2023-37732.