VULNERABILITY INTELLIGENCE
CVE-2022-4170
CVSS score9.8 CRITICAL
EPSS probability2.22%
CISA KEVNot currently listed
Published2022-12-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user's terminal and certain options are set.
Weakness classification
- CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Primary references
- patrick@puiterwijk.org — Issue Tracking, Third Party Advisory
- patrick@puiterwijk.org — Third Party Advisory
- patrick@puiterwijk.org — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory