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-2026-5735 json Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruptio... Not Provided 2026-04-07 2026-04-07
CVE-2026-5734 json Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of ... Not Provided 2026-04-07 2026-04-07
CVE-2026-5733 json Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 149.0.2 and Thunderbird... Not Provided 2026-04-07 2026-04-07
CVE-2026-5732 json Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox < 149.0.2... Not Provided 2026-04-07 2026-04-07
CVE-2026-5731 json Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunder... Not Provided 2026-04-07 2026-04-07
CVE-2024-0755 json 8.8 - HIGH 2024-01-23 2024-02-02
CVE-2024-0753 json 6.5 - MEDIUM 2024-01-23 2024-02-02
CVE-2024-0751 json 8.8 - HIGH 2024-01-23 2024-02-02
CVE-2024-0750 json 8.8 - HIGH 2024-01-23 2024-02-02
CVE-2024-0749 json 4.3 - MEDIUM 2024-01-23 2024-02-02
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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