Multiple vulnerabilities in Mozilla Thunderbird

Description

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in the DOM: Networking component can be exploited remotely to execute arbitrary code.
2. A remote code execution vulnerability in Thunderbird ESR 140 can be exploited remotely to execute arbitrary code.
3. A remote code execution vulnerability in Thunderbird 150 can be exploited remotely to execute arbitrary code.

Fiches de renseignement originales

• MFSA2026-43

Produits associés

• Mozilla-Thunderbird

Liste CVE

• CVE-2026-8090
  high
• CVE-2026-8092
  critical
• CVE-2026-8093
  critical

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