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CVE-2022-45063
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…
Critical9.8EPSS 6.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 6.6% · top 6.1% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (13)
- https://invisible-island.net/xterm/xterm.log.html (opens in a new tab)x_transferred
- https://www.openwall.com/lists/oss-security/2022/11/10/1 (opens in a new tab)x_transferred
- https://news.ycombinator.com/item?id=33546415 (opens in a new tab)x_transferred
- [oss-security] 20221110 CVE-2022-45063: xterm <375 code execution via font ops (opens in a new tab)mailing-listx_transferred
- [oss-security] 20221110 Re: CVE-2022-45063: xterm <375 code execution via font ops (opens in a new tab)mailing-listx_transferred
- FEDORA-2022-681bbe67b6 (opens in a new tab)vendor-advisoryx_transferred
- GLSA-202211-09 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-8cf76a9ceb (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-af5f1eee2c (opens in a new tab)vendor-advisoryx_transferred
- [oss-security] 20240615 iTerm2 3.5.x title reporting bug (opens in a new tab)mailing-listx_transferred
- [oss-security] 20240617 Re: iTerm2 3.5.x title reporting bug (opens in a new tab)mailing-listx_transferred
- http://www.openwall.com/lists/oss-security/2026/04/08/1 (opens in a new tab)
- http://www.openwall.com/lists/oss-security/2026/04/08/10 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-45063)Record last updated .