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TI-2019-00336 Aliases CVE-2019-0542GHSA-mc23-976p-j42x

Code injection in https://xtermjs.org/ xterm.js

Priority MEDIUM 44CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-94.

Summary

A remote code execution vulnerability exists in Xterm.js when the component mishandles special characters, aka "Xterm Remote Code Execution Vulnerability." This affects xterm.js.

Why it matters now

EPSS 0.03166 88th percentileScored 2026-11-07
Fix Fixed xterm (npm): 3.8.1, 3.9.2, 3.10.1Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
https://xtermjs.org/xterm.jsxterm.js—No fix listedCNA
—xterm (npm)before 3.8.13.8.1Patch availableGHSA-mc23-976p-j42x
—xterm (npm)3.9.0 to before 3.9.23.9.2Patch availableGHSA-mc23-976p-j42x
—xterm (npm)3.10.0 to before 3.10.13.10.1Patch availableGHSA-mc23-976p-j42x
  • xterm.js Vendorhttps://xtermjs.org/ Affected xterm.js Fixed in — No fix listed CNA
  • xterm (npm) Vendor— Affected before 3.8.1 Fixed in 3.8.1 Patch available GHSA-mc23-976p-j42x
  • xterm (npm) Vendor— Affected 3.9.0 to before 3.9.2 Fixed in 3.9.2 Patch available GHSA-mc23-976p-j42x
  • xterm (npm) Vendor— Affected 3.10.0 to before 3.10.1 Fixed in 3.10.1 Patch available GHSA-mc23-976p-j42x

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:xtermjs:xterm.js:*:*:*:*:*:*:*:*before 5.0.0VulnerableXtermjs
cpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*3.9 to before 3.9.99; 3.10 to before 3.10.163; after 3.11, before 3.11.104VulnerableRed Hat
  • cpe:2.3:a:xtermjs:xterm.js:*:*:*:*:*:*:*:* Versions before 5.0.0 Vulnerable ·Xtermjs
  • cpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:* Versions 3.9 to before 3.9.99; 3.10 to before 3.10.163; after 3.11, before 3.11.104 Vulnerable ·Red Hat

Remediation

  • Fix · GHSA-mc23-976p-j42x xterm (npm) Fixed in 3.8.1 Advisory →
  • Fix · GHSA-mc23-976p-j42x xterm (npm) Fixed in 3.9.2 Advisory →
  • Fix · GHSA-mc23-976p-j42x xterm (npm) Fixed in 3.10.1 Advisory →

Red Hat 3 advisories

  • RHSA-2019:2551 Released 2019-09-05 · Red Hat rating Moderate
    OpenShift Container Platform 3.9 atomic-openshift-web-console security update
    • Red Hat OpenShift Container Platform 3.9 atomic-openshift-web-console-3.9.99-1.git.1.49cd7e9.el7
  • RHSA-2019:2552 Released 2019-08-22 · Red Hat rating Moderate
    OpenShift Container Platform 3.10 atomic-openshift-web-console security update
    • Red Hat OpenShift Container Platform 3.10 atomic-openshift-web-console-3.10.163-1.git.1.c3a2131.el7
  • RHSA-2019:1422 Released 2019-06-10 · Red Hat rating Moderate
    OpenShift Container Platform 3.11 atomic-openshift-web-console security update
    • Red Hat OpenShift Container Platform 3.11 atomic-openshift-web-console-3.11.104-1.git.1.3c3a7f2.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 3.10Fixed RHSA-2019:2552
Red Hat OpenShift Container Platform 3.11Fixed RHSA-2019:1422
Red Hat OpenShift Container Platform 3.9Fixed RHSA-2019:2551
Not affected: 1 product
  • Red Hat OpenShift Container Platform 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-0542
  2. 2026-10-03 Alias added: GHSA-mc23-976p-j42x

References

Sources