QID 378899

Date Published: 2023-09-27

QID 378899: Mozilla Firefox ESR Multiple Vulnerabilities (MFSA2023-42)

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

Mozilla Firefox ESR is prone to
CVE-2023-5168: Out-of-bounds write in FilterNodeD2D1
CVE-2023-5169: Out-of-bounds write in PathOps
CVE-2023-5171: Use-after-free in Ion Compiler
CVE-2023-5174: Double-free in process spawning on Windows
CVE-2023-5176: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3

Affected Products:
Prior to Firefox ESR 115.3

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 - 9.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Vendor has released fix to address these vulnerabilities. Upgrade to Firefox ESR 115.3 to fix vulnerability, you can also refer MFSA2023-42 or later for more details.
    Vendor References

    CVEs related to QID 378899

    CVE-2023-5168 | CVE-2023-5169 | CVE-2023-5174 | CVE-2023-5171 | CVE-2023-5176 |
    Software Advisories
    Advisory ID Software Component Link
    MFSA2023-42 URL Logo www.mozilla.org/en-US/security/advisories/mfsa2023-42/
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