QID 378728

Date Published: 2023-08-02

QID 378728: Mozilla Firefox ESR Multiple Vulnerabilities (MFSA2023-31)

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-2023-4045: Offscreen Canvas could have bypassed cross-origin restrictions
CVE-2023-4046: Incorrect value used during WASM compilation
CVE-2023-4047: Potential permissions request bypass via clickjacking
CVE-2023-4048: Crash in DOMParser due to out-of-memory conditions
CVE-2023-4049: Fix potential race conditions when releasing platform objects
CVE-2023-4050: Stack buffer overflow in StorageManager
CVE-2023-4052: File deletion and privilege escalation through Firefox uninstaller
CVE-2023-4054: Lack of warning when opening appref-ms files
CVE-2023-4055: Cookie jar overflow caused unexpected cookie jar state
CVE-2023-4056: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14
CVE-2023-4057: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1

Affected Products:
Prior to Firefox ESR 115.1

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 115.1 to fix vulnerability, you can also refer MFSA2023-31 or later for more details.
    Software Advisories
    Advisory ID Software Component Link
    MFSA2023-31 URL Logo www.mozilla.org/en-US/security/advisories/mfsa2023-31/