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Fencer Vulns
medium 5.3

CVE-2022-25887 json

Regular Expression Denial of Service (ReDoS)

published 2022-08-30 4 y ago modified 2026-06-17 4 mo ago also GHSA-cgfm-xwp7-2cvr , EUVD-2022-6537

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

The package sanitize-html before 2.7.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure global regular expression replacement logic of HTML comment removal.

Patch / fix

  • npm sanitize-html 2.7.1
  • n/a sanitize-html 2.7.1
  • node-sanitize-html Debian 14, Debian 13, Debian 12 2.7.1+~2.6.2-1

debian advisories DEBIAN-CVE-2022-25887

  • jupyter-notebook Ubuntu Pro 22.04 LTS 6.4.8-1ubuntu0.1+esm1
  • jupyter-notebook Ubuntu Pro 24.04 LTS 6.4.12-2.2ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2022-25887

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2022-25887 updated cvss 5.3

sanitize-html: insecure global regular expression replacement logic may lead to ReDoS

  • Red Hat OpenShift Service Mesh 2.0 servicemesh-prometheus
    affected: no fix available
  • Red Hat OpenShift Service Mesh 2.1 servicemesh-prometheus
    affected: no fix available “Fix deferred”
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/console-rhel8 Red Hat Ansible Automation Platform 2 automation-controller Red Hat OpenShift Container Platform 3.11 openshift3/ose-console Red Hat OpenShift Container Platform 4 openshift4/ose-console Red Hat OpenShift Dev Spaces devspaces/dashboard-rhel8
    affected: no fix available

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

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 sanitize-html
<2.7.1
2.7.1

Affected products

  • n/a sanitize-html

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.