Mozilla FireFox Security Updates – 06 February 2025

By /
  • 27/2025
  • Critical

Mozilla has released an updated Firefox version 135, Firefox ESR versions 128.7, and 115.20 to fix multiple vulnerabilities.

The addressed vulnerabilities could allow the attacker to perform spoofing attacks, conduct exploitable crashes, obtain sensitive information, or execute arbitrary code and gain access to the affected systems.

Sample of the addressed vulnerabilities:

1. Mozilla Firefox Use-After-Free in Custom Highlight Vulnerability (CVE-2025- 1010):

  • CVSS: 9.8
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Exploitable Crash

2. Mozilla Firefox Potential Opening of Private Browsing Tabs in Normal Browsing Windows Vulnerability (CVE-2025-1013):

  • CVSS: 6.5
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Obtain Information
Vulnerabilities
  • CVE-2025-1009
  • CVE-2025-1010
  • CVE-2025-1011
  • CVE-2025-1012
  • CVE-2025-1013
  • CVE-2025-1014
  • CVE-2025-1016
  • CVE-2025-1017
  • CVE-2025-1018
  • CVE-2025-1019
  • CVE-2025-1020
  • CVE-2024-11704
Mitigations

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

Mozilla Firefox Security Advisory

References

Mozilla Firefox Security Advisory