CVE-2021-44738 Memory corruption in n/a

Critical 9.8 Published 20 Jan 2022 Updated 4 Aug 2024

A buffer overflow in the PostScript interpreter allows attackers to execute arbitrary code on Lexmark devices.

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-2021-44738?

CVE-2021-44738 is a critical memory corruption vulnerability in n/a, published on 20 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.

Weakness: CWE-120

Which versions are affected by CVE-2021-44738?

It affects 234 products.

Products include Lexmark 6500e Firmware, Lexmark B2236 Firmware, Lexmark B2338 Firmware, Lexmark B2442 Firmware, Lexmark B2546 Firmware, Lexmark B2650 Firmware and 228 more.

How do I fix CVE-2021-44738?

No fix has been published for CVE-2021-44738 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-2021-44738 being exploited?

There is no known exploitation of CVE-2021-44738 in the wild and no public exploit code.

Sources

Also known as GHSA-vcvj-q392-hvpc.