QID 378556

Date Published: 2023-06-07

QID 378556: Mozilla Firefox Multiple Vulnerabilities (MFSA2023-20)

Firefox is a free and open-source web browser developed for Windows, OS X, and Linux, with a mobile version for Android.

Mozilla Firefox is prone to
CVE-2023-34414: Click-jacking certificate exceptions through rendering lag
CVE-2023-34415: Site-isolation bypass on sites that allow open redirects to data: urls
CVE-2023-34416: Memory safety bugs fixed in Firefox 114 and Firefox ESR 102.12
CVE-2023-34417: Memory safety bugs fixed in Firefox 114

Affected Products:
Prior to Firefox 114

QID Detection Logic (Authenticated) :
This checks for vulnerable version of Firefox browser.


Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Vendor has released fix to address these vulnerabilities. Refer to MFSA2023-20 or later

    CVEs related to QID 378556

    Software Advisories
    Advisory ID Software Component Link
    MFSA2023-20 URL Logo www.mozilla.org/en-US/security/advisories/mfsa2023-20/