QID 376644

Date Published: 2022-06-01

QID 376644: Mozilla Firefox ESR Multiple Vulnerabilities (MFSA2022-21)

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-2022-31736: Cross-Origin resource's length leaked
CVE-2022-31737: Heap buffer overflow in WebGL
CVE-2022-31738: Browser window spoof using fullscreen mode
CVE-2022-31739: Attacker-influenced path traversal when saving downloaded files
CVE-2022-31740: Register allocation problem in WASM on arm64
CVE-2022-31741: Uninitialized variable leads to invalid memory read
CVE-2022-31742: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information
CVE-2022-31747: Memory safety bugs fixed in Firefox 101 and Firefox ESR 91.10

Affected Products:
Prior to Firefox ESR 91.10

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 MFSA2022-21 or later
    Software Advisories
    Advisory ID Software Component Link
    MFSA2022-21 URL Logo www.mozilla.org/en-US/security/advisories/mfsa2022-21/