CVE-2023-26064 Memory corruption in n/a

Critical 9.8 Published 10 Apr 2023 Updated 11 Feb 2025

An out-of-bounds write vulnerability in Lexmark devices allows attackers to potentially execute arbitrary code or cause a denial of service.

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-2023-26064?

CVE-2023-26064 is a critical memory corruption vulnerability in n/a, published on 10 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Certain Lexmark devices through 2023-02-19 have an Out-of-bounds Write.

Weakness: CWE-787

Which versions are affected by CVE-2023-26064?

It affects 26 products.

Products include Lexmark Cslbl Firmware, Lexmark Cslbn Firmware, Lexmark Csnzj Firmware, Lexmark Cstpc Firmware, Lexmark Cstzj Firmware, Lexmark Cxlbl Firmware and 20 more.

How do I fix CVE-2023-26064?

No fix has been published for CVE-2023-26064 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2023-26064 being exploited?

There is no known exploitation of CVE-2023-26064 in the wild and no public exploit code.

Sources

Also known as GHSA-vg9g-fp3v-9gx8.