CVE-2023-40359
9.8 · CRITICALOverview
CVE-2023-40359 is a critical-severity vulnerability affecting invisible-island xterm. It was published on August 14, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
Remediation
Check the references section for vendor advisories and patches from invisible-island. Update xterm to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| invisible-island | xterm | >= 0, < 380 | Affected |
Frequently Asked Questions
What is CVE-2023-40359?
CVE-2023-40359 is a critical-severity vulnerability affecting invisible-island xterm. It was published on August 14, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2023-40359?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-40359?
Check the references section for vendor advisories and patches from invisible-island. Update xterm to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-40359?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-40359 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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