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Fencer Vulns
high 7.5

CVE-2024-21538 json

Regular Expression Denial of Service (ReDoS) in cross-spawn

published 2024-11-08 2 y ago modified 2026-09-10 1 mo ago also GHSA-3xgq-45jj-v275 , EUVD-2024-3189

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

Versions of the package cross-spawn before 6.0.6, from 7.0.0 and before 7.0.5 are vulnerable to Regular Expression Denial of Service (ReDoS) due to improper input sanitization. An attacker can increase the CPU usage and crash the program by crafting a very large and well crafted string.

Patch / fix

  • npm cross-spawn 6.0.6, 7.0.5
  • n/a cross-spawn 6.0.6, 7.0.5
  • n/a org.webjars.npm:cross-spawn 6.0.6, 7.0.6
  • cross-spawn cross-spawn 7.0.5
  • aws-cli SLE Module for Public Cloud 15 SP7, SLE Module for Public Cloud 15 SP6, SLE Module for Public Cloud 15 SP5 +2 more 1.33.26-150400.34.7.1
  • python-boto3 SLE Module for Python 3 15 SP7, SLE Module for Public Cloud 15 SP6, SLE Module for Public Cloud 15 SP5 +2 more 1.34.138-150400.27.7.1
  • python-flaky openSUSE Leap 15.6 3.8.1-150400.14.6.1
  • python-pluggy SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +8 more 1.5.0-150400.14.10.1
  • python-pytest SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +8 more 8.3.5-150400.3.9.1
  • python-botocore SLE Module for Python 3 15 SP7, SLE Module for Public Cloud 15 SP6, SLE Module for Public Cloud 15 SP5 +2 more 1.34.144-150400.41.7.1
  • python-coverage SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +9 more 7.6.10-150400.12.6.1
  • python-pytest-cov SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +8 more 6.2.1-150400.12.6.1

suse advisories SUSE-SU-2025:3744-1SUSE-SU-2024:4301-1SUSE-SU-2024:4300-1SUSE-SU-2024:4286-1SUSE-SU-2024:4272-1

  • nodejs26 openSUSE Tumbleweed 26.3.1-1.1
  • nodejs24 openSUSE Tumbleweed 24.11.1-2.1
  • velociraptor openSUSE Tumbleweed 0.7.0.4.git142.862ef23-1.1
  • nodejs22 openSUSE Tumbleweed 22.12.0-1.1
  • jupyter-jupyterlab-latex openSUSE Tumbleweed 4.1.1-2.1
  • python-furo openSUSE Tumbleweed 2024.8.6-2.1
  • python-jupyter-ydoc openSUSE Tumbleweed 3.0.0-2.1
  • python-nbdime openSUSE Tumbleweed 4.0.2-18.1

opensuse advisories openSUSE-SU-2026:11110-1openSUSE-SU-2025:15802-1openSUSE-SU-2025:14663-1openSUSE-SU-2025:14615-1openSUSE-SU-2024:14553-1openSUSE-SU-2024:14558-1

  • npm Alpine 3.24, Alpine 3.23, Alpine 3.22 +2 more 10.9.1-r0

alpine advisories ALPINE-CVE-2024-21538

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • nodejs18 CBL-Mariner 2.0 18.20.3-2
  • reaper CBL-Mariner 2.0 3.1.1-15
  • nodejs Azure Linux 3.0 20.14.0-3

azure linux advisories AZL-52551AZL-52561AZL-52604

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-2024-21538 updated cvss 4.4

cross-spawn: regular expression denial of service

  • Red Hat Cryostat 3 cross-spawn
    affected: no fix available
  • Red Hat Migration Toolkit for Applications 7 mta/mta-ui-rhel9 Red Hat Network Observability Operator network-observability/network-observability-console-plugin-rhel9 Red Hat Node HealthCheck Operator workload-availability/node-remediation-console-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift Lightspeed lightspeed-console-plugin-rhel9
    affected: no fix available
  • Red Hat OpenShift Pipelines openshift-pipelines/pipelines-hub-ui-rhel8, openshift-pipelines/pipelines-hub-api-rhel8, openshift-pipelines/pipelines-console-plugin-rhel8, openshift-pipelines/pipelines-hub-db-migration-rhel8
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat 3scale API Management Platform 2 3scale-amp2/system-rhel7 Red Hat Ansible Automation Platform 2 aap-cloud-ui-container Red Hat Build of Keycloak cross-spawn Red Hat build of OptaPlanner 8 cross-spawn
    affected: no fix available “Fix deferred”
  • Red Hat Connectivity Link 1 rhcl-1/rhcl-console-plugin-rhel9
    affected: no fix available
  • Red Hat Enterprise Linux 8 npm, nodejs, nodejs-libs, nodejs-nodemon, nodejs-full-i18n, nodejs-packaging, +1 more Red Hat Enterprise Linux 9 npm, nodejs, nodejs-libs, nodejs-full-i18n Red Hat Enterprise Linux 10 nodejs22 Red Hat OpenShift Data Science (RHODS) rhods/odh-dashboard-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift Dev Spaces devspaces/traefik-rhel8, devspaces/dashboard-rhel8 Red Hat OpenShift distributed tracing 3 rhosdt/jaeger-query-rhel8
    affected: no fix available
show 21 more
  • Red Hat OpenShift GitOps openshift-gitops-1/argocd-rhel8, openshift-gitops-1/argo-rollouts-rhel8, openshift-gitops-1/console-plugin-rhel8, openshift-gitops-argocd-rhel9-container Red Hat OpenShift Virtualization 4 container-native-virtualization/kubevirt-console-plugin, container-native-virtualization/kubevirt-console-plugin-rhel9 Red Hat Single Sign-On 7 cross-spawn
    affected: no fix available “Fix deferred”
  • Red Hat Discovery 1 for RHEL 9 discovery/discovery-ui-rhel9 1.12.0-1, discovery/discovery-server-rhel9 1.12.0-1
    fixed: vendor fix RHSA-2025:1249
  • Red Hat Quay v3 quay/quay-rhel8 v3.13.6-5, quay/quay-rhel8 v3.14.2-7, quay/clair-rhel8 v3.13.6-1, quay/clair-rhel8 v3.14.2-1, quay/quay-builder-rhel8 v3.13.6-1, quay/quay-builder-rhel8 v3.14.2-1, +14 more
    fixed: vendor fix RHBA-2025:8262
  • Red Hat Developer Hub (RHDH) 1.4 rhdh 1.4-1734106454
    fixed: vendor fix RHBA-2024:11265
  • Red Hat Developer Hub 1.3 for RHEL 9 rhdh/rhdh-hub-rhel9 1.3-131
    fixed: vendor fix RHBA-2024:10760
  • Red Hat Migration Toolkit 1.8 rhmtc/openshift-migration-ui-rhel8 v1.8.7-2
    fixed: vendor fix RHSA-2025:8510
  • Red Hat OpenShift AI 2.16 rhoai v2.16.2-1741963152
    fixed: vendor fix RHSA-2025:3368
  • Red Hat OpenShift AI 2.17 rhoai v2.17.0-1739103483
    fixed: vendor fix RHSA-2025:1448
  • Red Hat OpenShift Container Platform 4.14 openshift4/ose-monitoring-plugin-rhel8 v4.14.0-202412040905.p0.g4fa7043.assembly.stream.el8
    fixed: vendor fix RHSA-2024:11031
  • Red Hat OpenShift Container Platform 4.15 openshift4/ose-monitoring-plugin-rhel8 v4.15.0-202412041605.p0.g1217bc1.assembly.stream.el8
    fixed: vendor fix RHSA-2024:10839
  • Red Hat OpenShift Container Platform 4.16 openshift4/ose-monitoring-plugin-rhel9 v4.16.0-202412040032.p0.g6cfc2c8.assembly.stream.el9
    fixed: vendor fix RHSA-2024:10823
  • Red Hat OpenShift Container Platform 4.17 openshift4/ose-monitoring-plugin-rhel9 v4.17.0-202411261404.p0.gad057d3.assembly.stream.el9, openshift4/nmstate-console-plugin-rhel9 v4.17.0-202501301204.p0.gcffdc60.assembly.stream.el9, openshift4/ose-networking-console-plugin-rhel9 v4.17.0-202411261204.p0.gfa9e6b0.assembly.stream.el9
    fixed: vendor fix RHSA-2025:0875
  • Red Hat OpenShift Container Platform 4.18 rhcos 418.94.202502100215-0, openshift4/frr-rhel9 v4.18.0-202502041302.p0.g1ad8f2e.assembly.stream.el9, openshift4/metallb-rhel9 v4.18.0-202502041632.p0.gdcee704.assembly.stream.el9, openshift4/ose-cli-rhel9 v4.18.0-202502040032.p0.ga50d4c0.assembly.stream.el9, openshift4/ose-pod-rhel9 v4.18.0-202502051032.p0.gacb9630.assembly.stream.el9, openshift4/ose-ptp-rhel9 v4.18.0-202501230001.p0.gcc2e8c8.assembly.stream.el9, +237 more
    fixed: vendor fix RHSA-2024:6122
  • Red Hat OpenShift Dev Spaces 3 devspaces/code-rhel9 3.18-6, devspaces/dashboard-rhel9 3.18-10
    fixed: vendor fix RHSA-2025:0892
  • Red Hat Trusted Artifact Signer 1.1 rhtas 1.1.1-1736885867, rhtas 1.1.1-1738843589, rhtas 1.1.1-1740413302
    fixed: vendor fix RHSA-2025:1842
  • Red Hat Trusted Profile Analyzer 1.2 rhtpa 1.2.1-1733575106, rhtpa 1.2.1-1733826968
    fixed: fixed in 1.2.1 RHSA-2024:11256
  • Red Hat RHACS 4.4 for RHEL 8 advanced-cluster-security/rhacs-main-rhel8 4.4.7-2
    fixed: vendor fix RHSA-2024:10665
  • Red Hat RHACS 4.5 for RHEL 8 advanced-cluster-security/rhacs-main-rhel8 4.5.5-3
    fixed: vendor fix RHSA-2024:10186
  • Red Hat RHODF 4.14 for RHEL 9 odf4/odf-console-rhel9 v4.14.18-3, odf4/ocs-client-console-rhel9 v4.14.18-2, odf4/odf-multicluster-console-rhel9 v4.14.18-2
    fixed: vendor fix RHSA-2025:8551
  • Red Hat RHODF 4.15 for RHEL 9 odf4/mcg-core-rhel9 v4.15.9-1, odf4/odf-console-rhel9 v4.15.14-2, odf4/ocs-client-console-rhel9 v4.15.14-2, odf4/odf-multicluster-console-rhel9 v4.15.14-2
    fixed: vendor fix RHSA-2025:0164
  • Red Hat RHODF 4.16 for RHEL 9 odf4/mcg-core-rhel9 v4.16.4-2, odf4/odf-console-rhel9 v4.16.5-2, odf4/ocs-client-console-rhel9 v4.16.5-2, odf4/odf-multicluster-console-rhel9 v4.16.5-2
    fixed: vendor fix RHSA-2024:11292

4 more fixed, 35 more not affected in the full advisory

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P
CNA 4.0 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 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 cross-spawn
>=7.0.0, <7.0.5
<6.0.6
7.0.5
6.0.6

Affected products

  • n/a cross-spawn
  • n/a org.webjars.npm:cross-spawn
  • cross-spawn cross-spawn

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.