Skip to content
Fencer Vulns
low 3.7

CVE-2022-21164 json

Denial of Service (DoS)

published 2022-03-16 4 y ago modified 2026-07-08 4 mo ago also GHSA-32j9-6qqm-mq9g , EUVD-2022-1280

cvss
3.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

The package node-lmdb before 0.9.7 are vulnerable to Denial of Service (DoS) when defining a non-invokable ToString value, which will cause a crash during type check.

Patch / fix

  • npm node-lmdb 0.9.7
  • n/a node-lmdb 0.9.7

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • snyk.io https://snyk.io/vuln/SNYK-JS-NODELMDB-2400723 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
CNA 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm node-lmdb
<0.9.7
0.9.7

Affected products

  • n/a node-lmdb

Classification

Weakness
  • CWE-241 Improper Handling of Unexpected Data Type
  • CWE-703 Improper Check or Handling of Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.