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CVE-2022-21164

24
FAUCET Score

CVE-2022-21164 is a Denial of Service (DoS) vulnerability affecting versions of the node-lmdb package prior to 0.9.7. An attacker can trigger a crash during a type check by defining a non-invokable ToString value. This vulnerability has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low attack complexity, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.7CPE matchmatch criteria
cpe:2.3:a:node-lmdb_project:node-lmdb:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.30%
Probability of exploitation in next 30 days
EPSS Percentile
67.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0130 is in the 47th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: node-lmdbFixed in: 0.9.7

Vendor Advisories (1)

npmGHSA-32j9-6qqm-mq9ghigh

Unhandled case in node-lmdb

Mar 17, 2022

References

github.com / Venemo/node-lmdb/commit/97760104c0fd311206b88aecd91fa1f59fe2b85a
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-NODELMDB-2400723
ExploitPatchThird Party Advisory