The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is…
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: 2 fixed, 5 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-1333.
Summary
The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.
Why it matters now
EPSS 0.02027 81st percentileScored 2026-11-07
Fix Partial is-svg (npm): 4.2.2Red Hat: 4 advisoriesRed Hat: 2 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | is-svg (npm) | 2.1.0 to before 4.2.2 | 4.2.2 | Patch available | GHSA-7r28-3m3f-r2pr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- is-svg (npm) Vendor— Affected 2.1.0 to before 4.2.2 Fixed in 4.2.2 Patch available GHSA-7r28-3m3f-r2pr
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:* | 2.1.0 – 4.2.1 | Vulnerable | Is-svg Project |
- cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*:node.js:*:* Versions 2.1.0 – 4.2.1 Vulnerable ·Is-svg Project
Remediation
- Fix · GHSA-7r28-3m3f-r2pr is-svg (npm) Fixed in 4.2.2 Advisory →
Red Hat 4 advisories
- RHSA-2021:3759 Released 2021-10-18 · Red Hat rating ModerateOpenShift Container Platform 4.9.0 bug fix and security update
- Red Hat OpenShift Container Platform 4.9 openshift4/ose-baremetal-rhel8-operator, openshift4/ose-console, openshift4/ose-etcd +4
- RHSA-2021:2438 Released 2021-07-27 · Red Hat rating ModerateOpenShift Container Platform 4.8.2 bug fix and security update
- Red Hat OpenShift Container Platform 4.8 openshift4/driver-toolkit-rhel8, openshift4/egress-router-cni-rhel8, openshift4/network-tools-rhel8 +47
- RHSA-2021:2461 Released 2021-06-16 · Red Hat rating ModerateRed Hat Advanced Cluster Management 2.2.4 security and bug fix update
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 7 rhacm2/management-ingress-rhel7, rhacm2/memcached-exporter-rhel7, rhacm2/openshift-hive-rhel7 +2
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 8 rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle, rhacm2/acmesolver-rhel8 +47
Show 1 more Red Hat advisories
- RHSA-2021:1499 Released 2021-05-04 · Red Hat rating ModerateRed Hat Advanced Cluster Management 2.2.3 security and bug fix update
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 7 rhacm2/management-ingress-rhel7, rhacm2/memcached-exporter-rhel7, rhacm2/openshift-hive-rhel7 +2
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 8 rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle, rhacm2/acmesolver-rhel8 +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 2.0 | Affected | No fix yet |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet |
| 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 Quay 3 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4.8 | Fixed | RHSA-2021:2438 |
| Red Hat OpenShift Container Platform 4.9 | Fixed | RHSA-2021:3759 |
Not affected: 2 products
- Red Hat OpenShift Container Platform 4.8
- Red Hat OpenShift Container Platform 4.9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28092
- 2026-10-03 Alias added: GHSA-7r28-3m3f-r2pr
References
Advisory 4
More Is-svg Project Is-svg vulnerabilities
- TI-2021-09948 A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-28092 · CVE Program
- CVE-2021-28092 · NVD
- FIRST EPSS
- GHSA-7r28-3m3f-r2pr · GitHub Advisory Database · CC BY 4.0
- CVE-2021-28092 · 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