Mozilla FireFox Security Updates – 22 November 2023

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Mozilla has released an updated Firefox version 120, and Firefox ESR version 115.5 to fix multiple vulnerabilities.

The addressed vulnerabilities could allow the remote attacker to obtain sensitive information, perform a denial of service attack, bypass security restrictions, execute arbitrary code, and gain access to the affected system by persuading the victim to visit a specially crafted website.

Sample of the addressed vulnerabilities:

1. Mozilla Firefox Code Execution Vulnerability (CVE-2023-6207):

  • CVSS: 8.8
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Consequences: Gain Access

2. Mozilla Firefox Security Bypass Vulnerability (CVE-2023-6208):

  • CVSS: 6.5
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Consequences: Bypass Security
Vulnerabilities
  • CVE-2023-6204
  • CVE-2023-6205
  • CVE-2023-6206
  • CVE-2023-6207
  • CVE-2023-6208
  • CVE-2023-6209
  • CVE-2023-6210
  • CVE-2023-6211
  • CVE-2023-6212
  • CVE-2023-6213
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

References