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Fencer Vulns
medium 5.3

CVE-2022-25858 json

Regular Expression Denial of Service (ReDoS)

published 2022-07-15 4 y ago modified 2026-06-17 4 mo ago also GHSA-4wf5-vphf-c2xc , EUVD-2022-6234

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

The package terser before 4.8.1, from 5.0.0 and before 5.14.2 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure usage of regular expressions.

Patch / fix

  • npm terser 4.8.1, 5.14.2
  • n/a terser 4.8.1, 5.14.2
  • node-terser Debian 14, Debian 13, Debian 12 4.8.1-1

debian advisories DEBIAN-CVE-2022-25858

  • uglify-js Azure Linux 3.0 3.19.3-11

azure linux advisories AZL-44460

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-25858 updated cvss 7.5

terser: insecure use of regular expressions leads to ReDoS

  • Red Hat Migration Toolkit for Containers rhmtc/openshift-migration-ui-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat Migration Toolkit for Virtualization migration-toolkit-virtualization/mtv-ui-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift Service Mesh 2 openshift-service-mesh/kiali-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Service Mesh 2.0 servicemesh-grafana, servicemesh-prometheus, servicemesh-grafana-prometheus, openshift-service-mesh/kiali-rhel8
    affected: no fix available
  • Red Hat OpenShift Service Mesh 2.1 servicemesh-grafana, servicemesh-prometheus, openshift-service-mesh/kiali-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/grc-ui-rhel8, rhacm2/console-rhel8, rhacm2/search-ui-rhel8, rhacm2/kui-web-terminal-rhel8
    affected: no fix available, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 pcs, grafana, pcs-snmp, grafana-loki, grafana-mssql, grafana-mysql, +10 more Red Hat Enterprise Linux 9 grafana, grafana-selinux Red Hat Fuse 7 terser
    affected: no fix planned “Will not fix”
  • Red Hat Integration Service Registry terser Red Hat JBoss Enterprise Application Platform 6 terser
    affected: no fix planned “Out of support scope”
show 8 more
  • Red Hat OpenShift Container Platform 4 openshift4/ose-console Red Hat Openshift Data Foundation 4 odf4/odf-console-rhel9, odf4/odf-multicluster-console-rhel8 Red Hat OpenShift Dev Spaces devspaces-theia-rhel8-container
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift distributed tracing 2 rhosdt/jaeger-all-in-one-rhel8
    affected: no fix available
  • Red Hat Quay 3 quay/quay-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat Satellite 6 rubygem-rabl, tfm-rubygem-rabl
    affected: no fix available
  • Red Hat Virtualization 4 cockpit-ovirt-uiplugin, cockpit-ovirt-dashboard
    affected: no fix planned “Will not fix”
  • Red Hat RHINT Service Registry 2.3.0 GA
    fixed: vendor fix RHSA-2022:6835
  • Red Hat RHOSSM 2.2 for RHEL 8 openshift-service-mesh/prometheus-rhel8 2.2.7-7
    fixed: vendor fix RHSA-2023:3645
  • Red Hat Logging Subsystem for Red Hat OpenShift openshift-logging/kibana6-rhel8 Red Hat OpenShift Developer Tools and Services odo Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/application-ui-rhel8 Red Hat Ansible Automation Platform 2 aap-azure-ui Red Hat Data Grid 8 terser Red Hat Decision Manager 7 terser
    +7 more products
    Red Hat Integration Camel K 1 terser Red Hat JBoss Enterprise Application Platform 7 terser Red Hat JBoss Enterprise Application Platform Expansion Pack terser Red Hat OpenShift distributed tracing 2 rhosdt/jaeger-query-rhel8 Red Hat OpenShift GitOps openshift-gitops-1/argocd-rhel8 Red Hat Process Automation 7 terser Red Hat RHOSSM 2.2 for RHEL 8 openshift-service-mesh/pilot-rhel8 2.2.7-7, openshift-service-mesh/kiali-rhel8 1.48.6-1, openshift-service-mesh/grafana-rhel8 2.2.7-3, openshift-service-mesh/proxyv2-rhel8 2.2.7-6, openshift-service-mesh/istio-cni-rhel8 2.2.7-7, openshift-service-mesh/ratelimit-rhel8 2.2.7-4, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.25% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • snyk.io https://snyk.io/vuln/SNYK-JS-TERSER-2806366 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2949722 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm terser
<4.8.1
>=5.0.0, <5.14.2
4.8.1
5.14.2

Affected products

  • n/a terser

Classification

Weakness
  • CWE-1333 Inefficient Regular Expression Complexity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.