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thunderbird vulnerabilities · Page 21

Vulnerabilities published for thunderbird in the last 30 days: 258. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1303

  1. CVE-2026-8953

    Critical · CVSS 9.6EPSS 0.53%Fix available

    Sandbox escape due to use-after-free in the Disability Access APIs component

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

    • Update to 1:140.11.0esr-1~deb13u1
    Published Updated
  2. CVE-2026-8092

    High · CVSS 8.1EPSS 0.41%Fix available

    Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2

    Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1. 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 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

    • Update to 1:140.10.2esr-1~deb13u1
    Published Updated

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