Regular expression denial of service (ReDoS) in ua-parser-js
Priority MEDIUM 40CWE-400Published · 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: 1 fixed, 5 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-400.
Summary
The package ua-parser-js before 0.7.22 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex for Redmi Phones and Mi Pad Tablets UA.
Why it matters now
EPSS 0.04483 91st percentileScored 2026-11-07
Fix Partial ua-parser-js: 0.7.22ua-parser-js (npm): 0.7.22Red Hat: 2 advisoriesRed Hat: 1 fixed, 5 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 |
|---|---|---|---|---|---|
| — | ua-parser-js | before 0.7.22 | 0.7.22 | Patch available | CNA |
| — | ua-parser-js (npm) | before 0.7.22 | 0.7.22 | Patch available | GHSA-662x-fhqg-9p8v |
- ua-parser-js Vendor— Affected before 0.7.22 Fixed in 0.7.22 Patch available CNA
- ua-parser-js (npm) Vendor— Affected before 0.7.22 Fixed in 0.7.22 Patch available GHSA-662x-fhqg-9p8v
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ua-parser-js_project:ua-parser-js:*:*:*:*:*:node.js:*:* | before 0.7.22 | Vulnerable | Ua-parser-js Project |
| cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.7.0:*:*:*:*:*:*:* | 1.7.0 | Vulnerable | Oracle |
- cpe:2.3:a:ua-parser-js_project:ua-parser-js:*:*:*:*:*:node.js:*:* Versions before 0.7.22 Vulnerable ·Ua-parser-js Project
- cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.7.0:*:*:*:*:*:*:* Versions 1.7.0 Vulnerable ·Oracle
Remediation
- Fix · CNA ua-parser-js Fixed in 0.7.22
- Fix · GHSA-662x-fhqg-9p8v ua-parser-js (npm) Fixed in 0.7.22 Advisory →
Red Hat 2 advisories
- RHSA-2021:4626 Released 2021-11-16 · Red Hat rating ModerateRHV Manager (ovirt-engine) security update [ovirt-4.4.9]
- RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 ovirt-web-ui-1.7.2-1.el8ev
- RHSA-2021:2865 Released 2021-07-22 · Red Hat rating ModerateRHV Manager (ovirt-engine) security update [ovirt-4.4.7]
- RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 ovirt-engine-ui-extensions-1.2.7-1.el8ev
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Distributed Tracing Jaeger 1 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Storage 3 | Affected | No fix yet: Fix deferred |
| RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 | Fixed | RHSA-2021:2865, RHSA-2021:4626 |
Not affected: 4 products
- OpenShift Service Mesh 1
- RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4
- Red Hat OpenShift Container Platform 3.11
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7733
- 2026-10-03 Alias added: GHSA-662x-fhqg-9p8v
References
Sources
- CVE-2020-7733 · CVE Program
- CVE-2020-7733 · NVD
- FIRST EPSS
- GHSA-662x-fhqg-9p8v · GitHub Advisory Database · CC BY 4.0
- CVE-2020-7733 · 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