CVE-2022-45063

CRITICAL 9.8CVE-2022-45063 · Published 10/11/2022 · updated 17/06/2026

In short

CVE-2022-45063 is a CRITICAL (CVSS 9.8) vulnerability affecting xterm (invisible-island).
Chance of exploitation in the next 30 days (EPSS): 5.4%, higher than 92.7% of all vulnerabilities.
Fix: update to 375 or later.

Package	Affected versions	Patched versions
xterm invisible-island	`< 375`	`375`

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.

References

openwall.com/lists/oss-security/2022/11/10/1 · Mailing List
openwall.com/lists/oss-security/2022/11/10/5 · Mailing List
openwall.com/lists/oss-security/2024/06/15/1
openwall.com/lists/oss-security/2024/06/17/1
invisible-island.net/xterm/xterm.log.html · Release Notes
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TPVNTYFFWNTGZJJQAA4MGGFSTXA4XEA
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T2JI5JCHPTXX2KJU45H2XAHQSFVEJ2Y
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IVD3I2ZFXGOY6BA2FNS7WPFMPFBDHFWC
news.ycombinator.com/item · Exploit
security.gentoo.org/glsa/202211-09 · Third Party Advisory

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