Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 102.3.0. Security Fix: * Mozilla: Leaking of sensitive information when composing a response to an HTML email with a META refresh tag * Mozilla: Bypassing FeaturePolicy restrictions on transient pages * Mozilla: Data-race when parsing non-UTF-8 URLs in threads * Mozilla: Memory safety bugs fixed in Firefox 105 and Firefox ESR 102.3 * Mozilla: Remote content specified in an HTML document that was nested inside an iframe"s srcdoc attribute was not blocked * Mozilla: An iframe element in an HTML email could trigger a network request * Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack * Mozilla: Bypassing Secure Context restriction for cookies with __Host and __Secure prefix * Mozilla: Content-Security-Policy base-uri bypass * Mozilla: Incoherent instruction cache when building WASM on ARM64 For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.