Multiple vulnerabilities in Mozilla Thunderbird ESR

Descripción

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to obtain sensitive information, bypass security restrictions, execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

1. Information disclosure vulnerability in the Audio/Video component can be exploited to obtain sensitive information.
2. Security vulnerability in the WebRTC: Networking component can be exploited to bypass security restrictions.
3. A remote code execution vulnerability in Firefox ESR 115 can be exploited remotely to execute arbitrary code.
4. A remote code execution vulnerability in Firefox ESR 140 can be exploited remotely to execute arbitrary code.

Notas informativas originales

• MFSA2026-39

Productos relacionados

• Mozilla-Thunderbird-ESR

Lista CVE

• CVE-2026-7320
  critical
• CVE-2026-7321
  critical
• CVE-2026-7322
  high
• CVE-2026-7323
  high

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