🛡️ CVE-2022-45063
🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-77 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-77
Public Exploit ⚠️ Yes
Source NVD
Published 2022-11-10
Updated 2026-06-08
Modified 2026-04-08

Affected Packages

Software From version Fixed in
fedora — —
xterm — 375

References

Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/11/10/1
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/11/10/5
Release Notes, Vendor Advisory https://invisible-island.net/xterm/xterm.log.html
Exploit, Issue Tracking, Third Party Advisory https://news.ycombinator.com/item?id=33546415
Mailing List, Patch, Third Party Advisory https://www.openwall.com/lists/oss-security/2022/11/10/1
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/11/10/1
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/11/10/5
Release Notes, Vendor Advisory https://invisible-island.net/xterm/xterm.log.html
Exploit, Issue Tracking, Third Party Advisory https://news.ycombinator.com/item?id=33546415
Mailing List, Patch, Third Party Advisory https://www.openwall.com/lists/oss-security/2022/11/10/1

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