CVE-2023-26767 Memory corruption in n/a

High 7.5 Published 16 Mar 2023 Updated 26 Feb 2025

A buffer overflow in Liblouis allows remote attackers to cause a denial of service via the lou_logFile function.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2023-26767?

CVE-2023-26767 is a high-severity memory corruption vulnerability in n/a, published on 16 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to cause a denial of service via the lou_logFile function at logginc.c endpoint.

Weakness: CWE-120

Which versions are affected by CVE-2023-26767?

It affects 1 product.

Linux distribution packages (1)

liblouis openSUSE:Tumbleweed All versions 3.25.0-1.1

Products include Liblouis Liblouis.

How do I fix CVE-2023-26767?

Upgrade to a fixed version.

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

Is CVE-2023-26767 being exploited?

There is no known exploitation of CVE-2023-26767 in the wild and no public exploit code.

Sources

Also known as AZL-25654, CLSA-2025-1746183800, DEBIAN-CVE-2023-26767, GHSA-ppv9-9pfj-8j4q, UBUNTU-CVE-2023-26767, openSUSE-SU-2024:12815-1.