CVE-2023-49555 Denial of service in n/a

Medium 5.5 Published Updated

A remote attacker can cause a denial of service in the YASM assembler via the expand_smacro function.

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-2023-49555?

CVE-2023-49555 is a medium-severity denial of service vulnerability in n/a, published on 2 Jan 2024. 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

An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the expand_smacro function in the modules/preprocs/nasm/nasm-pp.c component.

Weakness: CWE-400

Which versions are affected by CVE-2023-49555?

It affects 1 product.

Products include Yasm Project Yasm.

How do I fix CVE-2023-49555?

No fix has been published for CVE-2023-49555 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-49555 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-49555 exists.

Sources

Also known as AZL-33356, AZL-35389, DEBIAN-CVE-2023-49555, GHSA-3vm6-qcr3-wwv3, UBUNTU-CVE-2023-49555.

Is CVE-2023-49555 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free