Known Vulnerabilities for Thunderbird Esr by Mozilla

Listed below are 10 of the newest known vulnerabilities associated with "Thunderbird Esr" 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-2026-92240 json A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '... Not Provided 2026-09-15 2026-09-16
CVE-2026-92239 json A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156... Not Provided 2026-09-15 2026-09-16
CVE-2026-92238 json A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violation... Not Provided 2026-09-15 2026-09-16
CVE-2026-92079 json Mitigation bypass in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird... Not Provided 2026-09-15 2026-09-16
CVE-2026-92078 json Denial-of-service in the Security component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156,... Not Provided 2026-09-15 2026-09-20
CVE-2026-92077 json Denial-of-service in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and ... Not Provided 2026-09-15 2026-09-20
CVE-2026-92076 json Incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Th... Not Provided 2026-09-15 2026-09-16
CVE-2026-92075 json Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 15... Not Provided 2026-09-15 2026-09-16
CVE-2026-92074 json Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird... Not Provided 2026-09-15 2026-09-16
CVE-2026-92073 json Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Th... Not Provided 2026-09-15 2026-09-16
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMozillaThunderbird Esr52.8.0
ApplicationMozillaThunderbird Esr45.8.0
ApplicationMozillaThunderbird Esr45.7.1
ApplicationMozillaThunderbird Esr45.7.0
ApplicationMozillaThunderbird Esr45.6.0
ApplicationMozillaThunderbird Esr45.5.1
ApplicationMozillaThunderbird Esr45.5.0
ApplicationMozillaThunderbird Esr45.4.0
ApplicationMozillaThunderbird Esr45.3.0
ApplicationMozillaThunderbird Esr45.2.0
ApplicationMozillaThunderbird Esr45.1.1
ApplicationMozillaThunderbird Esr45.1.0
ApplicationMozillaThunderbird Esr17.0.9
ApplicationMozillaThunderbird Esr17.0.8
ApplicationMozillaThunderbird Esr17.0.7
ApplicationMozillaThunderbird Esr17.0.6
ApplicationMozillaThunderbird Esr17.0.5
ApplicationMozillaThunderbird Esr17.0.4
ApplicationMozillaThunderbird Esr17.0.3
ApplicationMozillaThunderbird Esr17.0.2
Results limited to 20 most recent known configurations

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