p PatchFirst

PatchFirst · Latest vulnerabilities

thunderbird vulnerabilities · Page 10

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

Filter vulnerabilities
Clear filters

Vulnerabilities: 1318

  1. CVE-2026-109709

    High · CVSS 8.8EPSS 0.33%Fix available

    Information disclosure, privilege escalation in the Security: Process Sandboxing component

    Information disclosure, privilege escalation in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

    • Update to 1:153.5.1esr-1~deb12u1
    Published Updated
  2. CVE-2026-109708

    Critical · CVSS 9.6EPSS 0.32%Fix available

    Sandbox escape due to incorrect boundary conditions in the Networking component

    Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, Thunderbird 153.5, and Firefox ESR 115.44.

    • Update to 1:153.5.1esr-1~deb12u1
    Published Updated
  3. CVE-2026-109705

    Critical · CVSS 9.6EPSS 0.31%Fix available

    Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component

    Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, Thunderbird 153.5, and Firefox ESR 115.44.

    • Update to 1:153.5.1esr-1~deb12u1
    Published Updated

Check your server

Check your installed stack and versions against the current vulnerability feeds.

Check your server →