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Mozilla Firefox Multiple Vulnerabilities

Mozilla Firefox Multiple Vulnerabilities

Hkcert • September 30, 2026

Multiple vulnerabilities were identified in Mozilla Firefox. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, elevation of privilege, security restriction bypass, sensitive information disclosure, remote code execution and spoofing on the targeted system.

Remote Code Execution

Elevation of Privilege

Security Restriction Bypass

Information Disclosure

System / Technologies affected

Before installation of the software, please visit the vendor web-site for more details.

Apply fixes issued by the vendor:

Vulnerability Identifier