PatchTheCVECVE-2022-21164: The package node-lmdb before 0.9.7 are vulnerable to Denial of Service (DoS) when defining a non-invokable ToS
CVE-2022-21164 is a low-severity flaw (CVSS 3.7) affecting node-lmdb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.3% (top 29%) |
| CISA exploited list | No |
| Published | 2022-03-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2022-21164?
node-lmdb: upgrade to 0.9.7. Exact commands for each OS are on this page.
Is CVE-2022-21164 being exploited?
CVE-2022-21164 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-2022-21164 affect?
CVE-2022-21164 affects node-lmdb. Severity is low (CVSS 3.7). 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.
How urgent is CVE-2022-21164?
Priority 41/100. Public exploit reference; Remotely exploitable, no login, no user action