CVE-2019-0542

xterm vulnerable to remote code execution

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.17%Unchanged since Apr 14, 2021

What each source reports

NVD Score used 8.8

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.

Record: CVE-2019-0542
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-94
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2019-0542
Updated: 2026-11-02

EUVDEUVD-2019-0189 No score

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.

Record: EUVD-2019-0189
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mc23-976p-j42x 8.8

xterm vulnerable to remote code execution

A remote code execution vulnerability exists in Xterm.js when the component mishandles special characters.

Record: GHSA-mc23-976p-j42x
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSV 8.8

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.

Record: CVE-2019-0542
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-0542 8.8

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.

Record: DEBIAN-CVE-2019-0542
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

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OSVGHSA-mc23-976p-j42x 8.8

xterm vulnerable to remote code execution

A remote code execution vulnerability exists in Xterm.js when the component mishandles special characters.

Record: GHSA-mc23-976p-j42x
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSVRHSA-2019:1422 7.5

Red Hat Security Advisory: OpenShift Container Platform 3.11 atomic-openshift-web-console security update

Record: RHSA-2019:1422
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:2551 7.5

Red Hat Security Advisory: OpenShift Container Platform 3.9 atomic-openshift-web-console security update

Record: RHSA-2019:2551
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:2552 7.5

Red Hat Security Advisory: OpenShift Container Platform 3.10 atomic-openshift-web-console security update

Record: RHSA-2019:2552
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`xterm` npm	before 3.8.1	3.8.1
`xterm` npm	3.9.0 up to 3.9.2	3.9.2
`xterm` npm	3.10.0 up to 3.10.1	3.10.1
`node-xterm` Debian:12	before 3.8.1-1	3.8.1-1
`node-xterm` Debian:13	before 3.8.1-1	3.8.1-1
`node-xterm` Debian:14	before 3.8.1-1	3.8.1-1
`atomic-openshift-web-console` Red Hat:openshift:3.11::el7	before 0:3.11.104-1.git.1.3c3a7f2.el7	0:3.11.104-1.git.1.3c3a7f2.el7
`atomic-openshift-web-console` Red Hat:openshift:3.9::el7	before 0:3.9.99-1.git.1.49cd7e9.el7	0:3.9.99-1.git.1.49cd7e9.el7
`atomic-openshift-web-console` Red Hat:openshift:3.10::el7	before 0:3.10.163-1.git.1.c3a2131.el7	0:3.10.163-1.git.1.c3a2131.el7

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-0542 is a high vulnerability (CVSS 8.8) in Https://xtermjs.org/ Xterm.js, published January 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.17%, the 88th percentile. Fixed in xterm 3.8.1.

References

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