What’s Vulnerable › Vulnerabilities

CVE-2022-4170

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-09 · updated 2026-06-17
• Weakness: CWE-74

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.

Affected products

• Fedoraproject Extra Packages For Enterprise Linux: 8.0
• Fedoraproject Fedora: 37
• Rxvt-Unicode Project Rxvt-Unicode: 9.25, 9.26

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2151597
• https://security.gentoo.org/glsa/202310-20
• https://www.openwall.com/lists/oss-security/2022/12/05/1
• https://bugzilla.redhat.com/show_bug.cgi?id=2151597
• https://security.gentoo.org/glsa/202310-20
• https://www.openwall.com/lists/oss-security/2022/12/05/1

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