Denial of service (DoS) in posix
Priority LOW 35CWE-252Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
This affects all versions of package posix. When invoking the toString method, it will fallback to 0x0 value, as the value of toString is not invokable (not a function), and then it will crash with type-check.
Why it matters now
EPSS 0.01061 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | posix | all versions | — | No fix listed | CNA |
| — | posix (npm) | up to 4.2.0 | — | No fix listed | GHSA-27mx-gchc-6xjp |
- posix Vendor— Affected all versions Fixed in — No fix listed CNA
- posix (npm) Vendor— Affected up to 4.2.0 Fixed in — No fix listed GHSA-27mx-gchc-6xjp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:posix_project:posix:*:*:*:*:*:node.js:*:* | all versions | Vulnerable | Posix Project |
- cpe:2.3:a:posix_project:posix:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Posix Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-21211
- 2026-10-03 Alias added: GHSA-27mx-gchc-6xjp
References
Sources
- CVE-2022-21211 · CVE Program
- CVE-2022-21211 · NVD
- FIRST EPSS
- GHSA-27mx-gchc-6xjp · GitHub Advisory Database · CC BY 4.0
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