Mozilla has released security updates to address security vulnerabilities in several of its products. An attacker could exploit some of these vulnerabilities to trigger denial of service condition, remote code execution, elevation of privilege, security restriction bypass, sensitive information disclosure and spoofing on the targeted system. Security vulnerabilities fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 140.13, Thunderbird 153.

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

• Firefox 153
• Firefox ESR 115.38
• Firefox ESR 140.13
• Thunderbird 153
• Thunderbird 140.13

Source: mozilla.org