Mozilla Product Security Update Advisory
overview We have released security updates that address vulnerabilities in Mozilla products. users of affected products are encouraged to update to the latest version. affected products CVE-2026-4371 Thunderbird versions: 149 and earlierThunderbird version: 140.9 or earlier Cve-2026-4689, cve-2026-4692, cve-2026-4694, cve-2026-4709, cve-2026-4721 Firefox version: 149 and belowFirefox ESR Version: 115.34 and
