Mozilla has released security updates to address security vulnerabilities in Firefox and Firefox for iOS. An attacker could exploit some of these vulnerabilities to trigger arbitrary code execution and sensitive information disclosure on the targeted system. Security vulnerabilities fixed in Firefox 151.0.3 and Firefox for iOS 151.2.

More information on vulnerabilities and updates is available in Mozilla security advisories:

• MFSA 2026-54
• MFSA 2026-53

Source: mozilla.org