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CVE-2018-11499

9.8 · CRITICAL
Published May 26, 2018 sass-lang CWE-416 EPSS 4.01% (90th pctl)

Overview

CVE-2018-11499 is a critical-severity vulnerability affecting sass-lang libsass. It was published on May 26, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 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

A use-after-free vulnerability exists in handle_error() in sass_context.cpp in LibSass 3.4.x and 3.5.x through 3.5.4 that could be leveraged to cause a denial of service (application crash) or possibly unspecified other impact.

Remediation

Check the references section for vendor advisories and patches from sass-lang. Update libsass 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
sass-lang libsass 3.4.0 Affected

Frequently Asked Questions

What is CVE-2018-11499?

CVE-2018-11499 is a critical-severity vulnerability affecting sass-lang libsass. It was published on May 26, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-11499?

This vulnerability has a CVSS 3.0 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-2018-11499?

Check the references section for vendor advisories and patches from sass-lang. Update libsass 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-2018-11499?

CyberStrike's AI-powered security agents can automatically detect CVE-2018-11499 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.