CVE-2022-44750: HCL Domino is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-44750 is a critical-severity flaw (CVSS 9.8) affecting domino. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HCL Domino 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-2022-44754. This vulnerability applies to software previously licensed by IBM.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-787
Published	2022-12-19
Last modified	2026-06-17

Publisher (CNA): HCL Software · Vendor: hcltech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-19 11:15 UTCPublished CVE record published
2026-06-17 05:08 UTCUpdated Record last modified

hcltech domino DOWNGRADE

Affected: 9.0 · 9.0.1 · 9.0.1 feature_pack_10_interim_fix_3 · 9.0.1 feature_pack_10_interim_fix_4 · 9.0.1 feature_pack_10_interim_fix_5 · 9.0.1 feature_pack_8 · 9.0.1 feature_pack_8_interim_fix_1 · 9.0.1 feature_pack_8_interim_fix_2

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

1. Check installed version

apt-cache policy domino || rpm -q domino || domino --version

2. No fixed release: DOWNGRADE to a release before 9.0 (Debian / Ubuntu)

apt-cache madison domino sudo apt install domino=<VERSION_BEFORE_9.0> sudo apt-mark hold domino

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list domino sudo dnf downgrade domino-<VERSION_BEFORE_9.0> sudo dnf versionlock add domino

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-44750?

domino: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-44750 being exploited?

CVE-2022-44750 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-44750 affect?

CVE-2022-44750 affects domino. Severity is critical (CVSS 9.8). HCL Domino 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

How urgent is CVE-2022-44750?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-23562 MEDIUM 5.3 DOWNGRADE A security vulnerability in HCL Domino could allow disclosure of sensitive configuration information
CVE-2023-37539 HIGH 8.4 DOWNGRADE The Domino Catalog template is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability
CVE-2023-37495 MEDIUM 5.9 UPGRADE Internet passwords stored in Person documents in the Domino® Directory created using the "Add Person" action o
CVE-2023-28010 MEDIUM 4.0 DOWNGRADE In some configuration scenarios, the Domino server host name can be exposed
CVE-2022-44754 CRITICAL 9.8 DOWNGRADE HCL Domino is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView

References

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