CVE-2024-23339: hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled

Q: How do I fix CVE-2024-23339?

hoolock: upgrade to 2.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-23339 being exploited?

CVE-2024-23339 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-23339 affect?

CVE-2024-23339 affects hoolock. Severity is medium (CVSS 6.3). hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled. Starting in version 2.0.0 and prior to version 2.2.1, utility functions related to object paths (`get`, `set`, and `update`) did not block atte

Q: How urgent is CVE-2024-23339?

Priority 38/100. No elevated risk signals yet.

Routine

MEDIUM 6.3UPGRADE

CVE-2024-23339 is a medium-severity flaw (CVSS 6.3) affecting hoolock. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled. Starting in version 2.0.0 and prior to version 2.2.1, utility functions related to object paths (`get`, `set`, and `update`) did not block attempts to access or alter object prototypes. Starting in version 2.2.1, the `get`, `set` and `update` functions throw a `TypeError` when a user attempts to access or alter inherited properties.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-1321
Published	2024-01-22
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: elijahharry

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

Am I affected?

Timeline

2024-01-22 23:15 UTCPublished CVE record published
2026-06-17 07:12 UTCUpdated Record last modified

elijahharry hoolock UPGRADE

Affected: >= 2.0.0 and < 2.2.1

Fixed in: 2.2.1

Safe to downgrade to: a release before 2.0.0

1. Check installed version

npm ls hoolock

2. UPGRADE to 2.2.1

npm install hoolock@">=2.2.1"

3. If no update is available yet, DOWNGRADE to a release before 2.0.0

npm view hoolock versions npm install hoolock@"<2.0.0"

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-2024-23339?

hoolock: upgrade to 2.2.1. Exact commands for each OS are on this page.

Is CVE-2024-23339 being exploited?

CVE-2024-23339 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-2024-23339 affect?

CVE-2024-23339 affects hoolock. Severity is medium (CVSS 6.3). hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled. Starting in version 2.0.0 and prior to version 2.2.1, utility functions related to object paths (`get`, `set`, and `update`) did not block atte

How urgent is CVE-2024-23339?

Priority 38/100. No elevated risk signals yet.

References

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