CVE-2023-51890 Denial of service in n/a

High 7.5 Published 24 Jan 2024 Updated 17 Jun 2025

Remote attackers can cause denial of service by consuming CPU resources via crafted strings in Mathtex library URLs.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-51890?

CVE-2023-51890 is a high-severity denial of service vulnerability in n/a, published on 24 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An infinite loop issue discovered in Mathtex 1.05 and before allows a remote attackers to consume CPU resources via crafted string in the application URL.

Weakness: CWE-835

Which versions are affected by CVE-2023-51890?

It affects 1 product.

Products include Ctan Mathtex.

How do I fix CVE-2023-51890?

No fix has been published for CVE-2023-51890 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-2023-51890 being exploited?

There is no known exploitation of CVE-2023-51890 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2023-51890, GHSA-567x-h4g5-2gwq, UBUNTU-CVE-2023-51890.