A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in…
Priority LOW 30CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 6 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-770.
Summary
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.
Why it matters now
EPSS 0.03134 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial color-string (npm): 1.5.5Red Hat: 6 without a fix
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | color-string (npm) | before 1.5.5 | 1.5.5 | Patch available | GHSA-257v-vj4p-3w2h |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- color-string (npm) Vendor— Affected before 1.5.5 Fixed in 1.5.5 Patch available GHSA-257v-vj4p-3w2h
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:color-string_project:color-string:*:*:*:*:*:node.js:*:* | before 1.5.5 | Vulnerable | Color-string Project |
- cpe:2.3:a:color-string_project:color-string:*:*:*:*:*:node.js:*:* Versions before 1.5.5 Vulnerable ·Color-string Project
Remediation
- Fix · GHSA-257v-vj4p-3w2h color-string (npm) Fixed in 1.5.5 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 1 | Affected | No fix planned: Will not fix |
| OpenShift Service Mesh 2.0 | Affected | No fix yet |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Quay 3 | Affected | No fix planned: Will not fix |
| Red Hat Virtualization 4 | Affected | No fix planned: Will not fix |
Not affected: 2 products
- Logging Subsystem for Red Hat OpenShift
- Red Hat Advanced Cluster Management for Kubernetes 2
Timeline
- 2026-10-02 Threatist record created from CVE-2021-29060
- 2026-10-03 Alias added: GHSA-257v-vj4p-3w2h
References
Advisory 2
Sources
- CVE-2021-29060 · CVE Program
- CVE-2021-29060 · NVD
- FIRST EPSS
- GHSA-257v-vj4p-3w2h · GitHub Advisory Database · CC BY 4.0
- CVE-2021-29060 · Red Hat security data · CC BY 4.0
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