Multiple vulnerabilities in Mozilla Thunderbird

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Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, bypass security restrictions, perform cross-site scripting attack, spoof user interface.

Below is a complete list of vulnerabilities:

1. Denial of service vulnerability can be exploited remotely to cause denial of service.
2. Validation of untrusted input vulnerability can be exploited to bypass security restrictions.
3. A remote code execution vulnerability in the “Copy as cURL” feature can be exploited remotely to execute arbitrary code.
4. Cross-site scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.
5. Security UI vulnerability can be exploited to spoof user interface.
6. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
7. A remote code execution vulnerability can be exploited remotely to execute arbitrary code.
8. Use after free vulnerability in media can be exploited to cause denial of service or execute arbitrary code.

Oficiální doporučení

• MFSA2025-45

Související produkty

• Mozilla-Thunderbird

seznam CVE

• CVE-2025-5262
  critical
• CVE-2025-5263
  warning
• CVE-2025-5264
  warning
• CVE-2025-5265
  warning
• CVE-2025-5266
  warning
• CVE-2025-5267
  high
• CVE-2025-5268
  critical
• CVE-2025-5270
  critical
• CVE-2025-5271
  high
• CVE-2025-5272
  high
• CVE-2025-5283
  high

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