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thunderbird vulnerabilities · Page 7

Vulnerabilities published for thunderbird in the last 30 days: 107. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1152

  1. CVE-2026-92020

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component

    Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  2. CVE-2026-92019

    High · CVSS 8.1EPSS 0.31%Fix available

    Mitigation bypass in the Remote Settings Client component

    Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  3. CVE-2026-92017

    High · CVSS 8.8EPSS 0.24%Fix available

    Privilege escalation in the DOM: Service Workers component

    Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  4. CVE-2026-92013

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  5. CVE-2026-92012

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  6. CVE-2026-92011

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  7. CVE-2026-92010

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  8. CVE-2026-92009

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  9. CVE-2026-92008

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  10. CVE-2026-92007

    High · CVSS 8.8EPSS 0.26%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  11. CVE-2026-92006

    High · CVSS 8.8EPSS 0.33%Fix available

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

    • Update to 1:140.16.0esr-1~deb13u1
    Published Updated
  12. CVE-2026-84641

    High · CVSS 7.5EPSS 0.27%Fix available

    Information disclosure due to malicious IMAP server response

    A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

    • Update to 1:140.15.0esr-1~deb13u1
    Published Updated

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