Injection in rxvt-unicode
Priority MEDIUM 53CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02222 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | rxvt-unicode | rxvt-unicode 9.30 | — | No fix listed | CNA |
- rxvt-unicode Vendor— Affected rxvt-unicode 9.30 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.25:*:*:*:*:*:*:* | 9.25 | Vulnerable | Rxvt-unicode Project |
| cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.26:*:*:*:*:*:*:* | 9.26 | Vulnerable | Rxvt-unicode Project |
| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
- cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.25:*:*:*:*:*:*:* Versions 9.25 Vulnerable ·Rxvt-unicode Project
- cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.26:*:*:*:*:*:*:* Versions 9.26 Vulnerable ·Rxvt-unicode Project
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4170
- 2026-10-03 Alias added: GHSA-v3h7-vj8g-6x3r
References
Sources
- CVE-2022-4170 · CVE Program
- CVE-2022-4170 · NVD
- FIRST EPSS
- GHSA-v3h7-vj8g-6x3r · GitHub Advisory Database · CC BY 4.0
- CVE-2022-4170 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences