CVE-2018-12387
9.1 · CRITICALOverview
CVE-2018-12387 is a critical-severity vulnerability affecting redhat enterprise_linux_desktop. It was published on October 18, 2018 and has a CVSS 3.0 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
Remediation
Check the references section for vendor advisories and patches from redhat. Update enterprise_linux_desktop 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 |
|---|---|---|---|
| mozilla | firefox | >= 0, < 60.2.2 | Affected |
References
Frequently Asked Questions
What is CVE-2018-12387?
CVE-2018-12387 is a critical-severity vulnerability affecting redhat enterprise_linux_desktop. It was published on October 18, 2018 and has a CVSS 3.0 base score of 9.1 (CRITICAL).
How severe is CVE-2018-12387?
This vulnerability has a CVSS 3.0 base score of 9.1, 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-2018-12387?
Check the references section for vendor advisories and patches from redhat. Update enterprise_linux_desktop 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-2018-12387?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-12387 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
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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