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CVE-2019-9808

5.3 · MEDIUM
Published Apr 26, 2019 mozilla CWE-346 EPSS 0.40% (33th pctl)

Overview

CVE-2019-9808 is a medium-severity vulnerability affecting mozilla firefox. It was published on April 26, 2019 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

If WebRTC permission is requested from documents with data: or blob: URLs, the permission notifications do not properly display the originating domain. The notification states "Unknown origin" as the requestee, leading to user confusion about which site is asking for this permission. This vulnerability affects Firefox < 66.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox 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, < 66.0 Affected

Frequently Asked Questions

What is CVE-2019-9808?

CVE-2019-9808 is a medium-severity vulnerability affecting mozilla firefox. It was published on April 26, 2019 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

How severe is CVE-2019-9808?

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-9808?

Check the references section for vendor advisories and patches from mozilla. Update firefox 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-2019-9808?

CyberStrike's AI-powered security agents can automatically detect CVE-2019-9808 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.