Known Vulnerabilities for Thunderbird by Mozilla

Listed below are 10 of the newest known vulnerabilities associated with "Thunderbird" by "Mozilla".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-57963 json An attacker who can send HTML chat messages (via Matrix or XMPP) can inject arbitrary styled content, phishing links, and CSS... Not Provided 2026-07-01 2026-07-01
CVE-2026-57962 json A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily... Not Provided 2026-07-01 2026-07-01
CVE-2026-16412 json Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and... Not Provided 2026-07-21 2026-07-24
CVE-2026-16411 json Memory safety bugs present in Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with e... Not Provided 2026-07-21 2026-07-24
CVE-2026-16410 json JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. Not Provided 2026-07-21 2026-07-22
CVE-2026-16409 json Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. Not Provided 2026-07-21 2026-07-23
CVE-2026-16408 json Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. Not Provided 2026-07-21 2026-07-22
CVE-2026-16407 json Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. Not Provided 2026-07-21 2026-07-22
CVE-2026-16406 json Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. Not Provided 2026-07-21 2026-07-22
CVE-2026-16405 json Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.... Not Provided 2026-07-21 2026-07-22
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMozillaThunderbird9.0.1
ApplicationMozillaThunderbird9.0
ApplicationMozillaThunderbird9.0
ApplicationMozillaThunderbird9.0
ApplicationMozillaThunderbird9.0
ApplicationMozillaThunderbird9.0
ApplicationMozillaThunderbird9.0
ApplicationMozillaThunderbird8.0
ApplicationMozillaThunderbird8.0
ApplicationMozillaThunderbird8.0
ApplicationMozillaThunderbird8.0
ApplicationMozillaThunderbird8.0
ApplicationMozillaThunderbird8.0
ApplicationMozillaThunderbird78.6.0
ApplicationMozillaThunderbird78.5.1
ApplicationMozillaThunderbird78.4.0
ApplicationMozillaThunderbird78.3
ApplicationMozillaThunderbird78.2
ApplicationMozillaThunderbird78.1.1
ApplicationMozillaThunderbird78.1.0
Results limited to 20 most recent known configurations

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