CVE-2022-44753: HCL Notes is susceptible to a stack based buffer overflow vulnerability in wp6sr.dll in Micro Focus KeyView

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-19 · updated 2026-06-17
Weakness: CWE-787

Description

HCL Notes is susceptible to a stack based buffer overflow vulnerability in wp6sr.dll in Micro Focus KeyView. This could allow a remote unauthenticated attacker to crash the application or execute arbitrary code via a crafted WordPerfect file. This vulnerability applies to software previously licensed by IBM.

Affected products

HCL Notes: 9.0.1, 9.0.1-fp10, 9.0.1-fp10if1, 9.0.1-fp10if10, 9.0.1-fp10if2, 9.0.1-fp10if3 (+33)

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0100260
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0100260

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