CVE-2018-14599
9.8 · CRITICALOverview
CVE-2018-14599 is a critical-severity vulnerability affecting x.org libx11. It was published on August 24, 2018 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
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
Remediation
Check the references section for vendor advisories and patches from x.org. Update libx11 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 |
|---|---|---|---|
| x.org | libx11 | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2018-14599?
CVE-2018-14599 is a critical-severity vulnerability affecting x.org libx11. It was published on August 24, 2018 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2018-14599?
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-2018-14599?
Check the references section for vendor advisories and patches from x.org. Update libx11 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-2018-14599?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-14599 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.
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