Mozilla Thunderbird is a standalone mail and newsgroup client.
Security Fix(es):
- firefox: thunderbird: URL Bar Spoofing via non-BMP Unicode characters (CVE-2025-3029)
- firefox: thunderbird: Use-after-free triggered by XSLTProcessor (CVE-2025-3028)
- firefox: thunderbird: Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9 (CVE-2025-3030)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.