CVE-2022-44751 HCL Notes is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView

Critical 9.8 Published 17 Dec 2022 Updated 17 Apr 2025

Remote attackers can execute arbitrary code or crash HCL Notes via a crafted Lotus Ami Pro file exploiting a stack buffer overflow in KeyView.

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-2022-44751?

CVE-2022-44751 is a critical memory corruption vulnerability in HCL Software Notes, published on 17 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HCL Notes is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView. This could allow a remote unauthenticated attacker to crash the application or execute arbitrary code via a crafted Lotus Ami Pro file. This is different from the vulnerability described in CVE-2022-44755. This vulnerability applies to software previously licensed by IBM.

Weakness: CWE-787

Which versions are affected by CVE-2022-44751?

It affects 1 product.

Products include Hcltech Notes.

How do I fix CVE-2022-44751?

No fix has been published for CVE-2022-44751 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-2022-44751 being exploited?

There is no known exploitation of CVE-2022-44751 in the wild and no public exploit code.

Sources

Also known as GHSA-f4jm-h9rm-vw6q.