QID 379063

Date Published: 2023-11-27

QID 379063: Mozilla Firefox ESR Multiple Vulnerabilities (MFSA2023-50)

Firefox is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary for Windows, OS X, and Linux, with a mobile version for Android.

Mozilla Firefox ESR is prone to
CVE-2023-6204: Out-of-bound memory access in WebGL2 blitFramebuffer
CVE-2023-6205: Use-after-free in MessagePort::Entangled
CVE-2023-6206: Clickjacking permission prompts using the fullscreen transition
CVE-2023-6207: Use-after-free in ReadableByteStreamQueueEntry::Buffer
CVE-2023-6208: Using Selection API would copy contents into X11 primary selection.
CVE-2023-6209: Incorrect parsing of relative URLs starting with "///"
CVE-2023-6212: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5
Affected Products:
Prior to Firefox ESR 115.5

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

Successful exploitation of this vulnerability could lead to a security breach like evidence of memory corruption, exploitable crash or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 6.4 severity.
    • Solution
    Vendor has released fix to address these vulnerabilities. Upgrade to Firefox ESR 115.5 to fix vulnerability, you can also refer MFSA2023-50 or later for more details.
    Vendor References

    CVEs related to QID 379063

    CVE-2023-6204 | CVE-2023-6205 | CVE-2023-6206 | CVE-2023-6207 | CVE-2023-6208 | CVE-2023-6209 | CVE-2023-6212 |
    Software Advisories
    Advisory ID Software Component Link
    MFSA2023-50 URL Logo www.mozilla.org/en-US/security/advisories/mfsa2023-50/
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