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thunderbird vulnerabilities · Page 39

Vulnerabilities published for thunderbird in the last 30 days: 263. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1304

  1. CVE-2026-2807

    Critical · CVSS 9.8EPSS 0.29%No fix published

    Memory safety bugs fixed in Firefox 148 and Thunderbird 148

    Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

    Published Updated
  2. CVE-2026-2793

    Critical · CVSS 9.8EPSS 0.38%No fix published

    Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

    Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

    Published Updated
  3. CVE-2026-2792

    Critical · CVSS 9.8EPSS 0.38%No fix published

    Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

    Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

    Published Updated

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