CVE-2022-45063

xterm: code execution via OSC 50 input sequences

Published Nov 10, 2022 CVSS 3.1 · 9.8 Critical EPSS 6.6% KEV · Not listed
Description
xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh. NOTE: font ops are not allowed in the xterm default configurations of some Linux distributions.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-47985 xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh. NOTE: font ops are not allowed in the xterm default configurations of some Linux distributions.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Apr 8, 2026, 5:24 PM
Reserved
Nov 9, 2022, 12:00 AM
Status
Modified
Published
Nov 10, 2022, 4:15 PM
Modified
Jun 17, 2026, 5:09 AM
Severity
Moderate
Public date
Nov 10, 2022, 12:00 AM