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thunderbird vulnerabilities · Page 30

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

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Vulnerabilities: 1303

  1. CVE-2025-9185

    High · CVSS 8.1EPSS 0.51%Fix available

    Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142

    Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

    • Update to 1:128.14.0esr-1~deb13u1
    Published Updated
  2. CVE-2025-9180

    High · CVSS 8.1EPSS 0.27%Fix available

    Same-origin policy bypass in the Graphics: Canvas2D component

    Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

    • Update to 1:128.14.0esr-1~deb13u1
    Published Updated
  3. CVE-2025-9179

    Critical · CVSS 9.8EPSS 0.61%Fix available

    Sandbox escape due to invalid pointer in the Audio/Video: GMP component

    An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

    • Update to 1:128.14.0esr-1~deb13u1
    Published Updated
  4. CVE-2025-8035

    High · CVSS 8.8EPSS 0.4%Fix available

    Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141

    Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

    • Update to 1:128.13.0esr-1
    Published Updated
  5. CVE-2025-8034

    High · CVSS 8.8EPSS 0.46%Fix available

    Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141

    Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

    • Update to 1:128.13.0esr-1
    Published Updated
  6. CVE-2025-8033

    Medium · CVSS 6.5EPSS 0.43%Fix available

    Incorrect JavaScript state machine for generators

    The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

    • Update to 1:128.13.0esr-1
    Published Updated
  7. CVE-2025-8031

    Critical · CVSS 9.8EPSS 0.51%Fix available

    Incorrect URL stripping in CSP reports

    The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

    • Update to 1:128.13.0esr-1
    Published Updated
  8. CVE-2025-8030

    High · CVSS 8.1EPSS 0.38%Fix available

    Potential user-assisted code execution in “Copy as cURL” command

    Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

    • Update to 1:128.13.0esr-1
    Published Updated
  9. CVE-2025-8028

    Critical · CVSS 9.8EPSS 0.58%Fix available

    Large branch table could lead to truncated instruction

    On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

    • Update to 1:128.13.0esr-1
    Published Updated
  10. CVE-2025-8027

    Medium · CVSS 6.5EPSS 0.43%Fix available

    JavaScript engine only wrote partial return value to stack

    On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

    • Update to 1:128.13.0esr-1
    Published Updated
  11. CVE-2025-6430

    Medium · CVSS 6.1EPSS 0.27%Fix available

    Content-Disposition header ignored when a file is included in an embed or object tag

    When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

    • Update to 1:128.12.0esr-1
    Published Updated
  12. CVE-2025-6429

    Medium · CVSS 6.5EPSS 0.36%Fix available

    Incorrect parsing of URLs could have allowed embedding of youtube.com

    Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

    • Update to 1:128.12.0esr-1
    Published Updated
  13. CVE-2025-6425

    Medium · CVSS 4.3EPSS 0.31%Fix available

    The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

    An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

    • Update to 1:128.12.0esr-1
    Published Updated

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