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thunderbird vulnerabilities · Page 29

Vulnerabilities published for thunderbird in the last 30 days: 216. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1303

  1. CVE-2025-11715

    High · CVSS 8.8EPSS 0.33%Fix available

    Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144

    Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    • Update to 1:140.4.0esr-1~deb13u1
    Published Updated
  2. CVE-2025-11712

    Medium · CVSS 6.1EPSS 0.22%Fix available

    An OBJECT tag type attribute overrode browser behavior on web resources without a content-type

    A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    • Update to 1:140.4.0esr-1~deb13u1
    Published Updated
  3. CVE-2025-11714

    High · CVSS 8.8EPSS 0.34%Fix available

    Memory safety bugs fixed in Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144

    Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    • Update to 1:140.4.0esr-1~deb13u1
    Published Updated
  4. CVE-2025-11711

    Medium · CVSS 6.5EPSS 0.23%Fix available

    Some non-writable Object properties could be modified

    There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    • Update to 1:140.4.0esr-1~deb13u1
    Published Updated
  5. CVE-2025-11710

    Critical · CVSS 9.8EPSS 0.42%Fix available

    Cross-process information leaked due to malicious IPC messages

    A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    • Update to 1:140.4.0esr-1~deb13u1
    Published Updated
  6. CVE-2025-11709

    Critical · CVSS 9.8EPSS 0.42%Fix available

    Out of bounds read/write in a privileged process triggered by WebGL textures

    A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    • Update to 1:140.4.0esr-1~deb13u1
    Published Updated
  7. CVE-2025-10537

    High · CVSS 8.8EPSS 0.34%Fix available

    Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

    Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

    • Update to 1:140.3.0esr-1~deb13u1
    Published Updated
  8. CVE-2025-10528

    High · CVSS 7.3EPSS 0.37%Fix available

    Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component

    Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

    • Update to 1:140.3.0esr-1~deb13u1
    Published Updated

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