Regular expression denial of service (ReDoS) in scss-tokenizer
Priority LOW 37CWE-1333Published · 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 · High
- Fix status
- Partial Red Hat: 12 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-1333.
Summary
All versions of package scss-tokenizer are vulnerable to Regular Expression Denial of Service (ReDoS) via the loadAnnotation() function, due to the usage of insecure regex.
Why it matters now
EPSS 0.02141 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial scss-tokenizer (npm): 0.4.3Red Hat: 12 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 |
|---|---|---|---|---|---|
| — | scss-tokenizer | all versions | — | No fix listed | CNA |
| — | scss-tokenizer (npm) | before 0.4.3 | 0.4.3 | Patch available | GHSA-7mwh-4pqv-wmr8 |
- scss-tokenizer Vendor— Affected all versions Fixed in — No fix listed CNA
- scss-tokenizer (npm) Vendor— Affected before 0.4.3 Fixed in 0.4.3 Patch available GHSA-7mwh-4pqv-wmr8
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:scss-tokenizer_project:scss-tokenizer:*:*:*:*:*:node.js:*:* | all versions | Vulnerable | Scss-tokenizer Project |
- cpe:2.3:a:scss-tokenizer_project:scss-tokenizer:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Scss-tokenizer Project
Remediation
- Fix · GHSA-7mwh-4pqv-wmr8 scss-tokenizer (npm) Fixed in 0.4.3 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 2 | Affected | No fix planned: Will not fix |
| OpenShift Service Mesh 2.0 | Affected | No fix planned: Will not fix |
| OpenShift Service Mesh 2.1 | Affected | No fix yet |
| Red Hat Ceph Storage 4 | Affected | No fix yet |
| Red Hat Decision Manager 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat Fuse 7 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift GitOps | Affected | No fix yet |
| Red Hat Openshift Data Foundation 4 | Affected | No fix yet |
| Red Hat Process Automation 7 | Affected | No fix planned: Out of support scope |
Not affected: 3 products
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat Enterprise Linux 8
- Red Hat Satellite 6
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25758
- 2026-10-03 Alias added: GHSA-7mwh-4pqv-wmr8
References
Sources
- CVE-2022-25758 · CVE Program
- CVE-2022-25758 · NVD
- FIRST EPSS
- GHSA-7mwh-4pqv-wmr8 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-25758 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences