QID 378958

Date Published: 2023-10-25

QID 378958: Mozilla Firefox Multiple Vulnerabilities (MFSA2023-45)

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-2023-5721: Queued up rendering could have allowed websites to clickjack
CVE-2023-5722: Cross-Origin size and header leakage
CVE-2023-5723: Invalid cookie characters could have led to unexpected errors
CVE-2023-5724: Large WebGL draw could have led to a crash
CVE-2023-5725: WebExtensions could open arbitrary URLs
CVE-2023-5726: Full screen notification obscured by file open dialog on macOS
CVE-2023-5727: Download Protections were bypassed by .msix, .msixbundle, .appx, and .appxbundle files on Windows
CVE-2023-5728: Improper object tracking during GC in the JavaScript engine could have led to a crash.
CVE-2023-5729: Fullscreen notification dialog could have been obscured by WebAuthn prompts
CVE-2023-5730: Memory safety bugs fixed in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4
CVE-2023-5731: Memory safety bugs fixed in Firefox 119

Affected Products:
Prior to Firefox 119

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 119 to fix vulnerability, you can also refer MFSA2023-45 or later for more details.
    Vendor References

    CVEs related to QID 378958

    CVE-2023-5726 | CVE-2023-5722 | CVE-2023-5730 | CVE-2023-5725 | CVE-2023-5724 | CVE-2023-5723 | CVE-2023-5727 | CVE-2023-5729 | CVE-2023-5728 | CVE-2023-5731 | CVE-2023-5721 |
    Software Advisories
    Advisory ID Software Component Link
    MFSA2023-45 URL Logo www.mozilla.org/en-US/security/advisories/mfsa2023-45/
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