Multiple vulnerabilities in Mozilla Thunderbird

Description

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface, bypass security restrictions, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. Use-after-free vulnerability in Graphics: Canvas2D component can be exploited remotely to execute arbitrary code
2. Spoofing vulnerability in WebAuthn component can be exploited to spoof user interface
3. Same-origin policy bypass vulnerability in Layout component can be exploited to bypass security restrictions
4. Integer overflow vulnerability in SVG component can be exploited remotely to execute arbitrary code
5. Memory corruption vulnerability can be exploited remotely to execute arbitrary code
6. Sandbox escape vulnerability in Canvas2D component can be exploited remotely to execute arbitrary code
7. Mitigation bypass vulnerability in the Web Compatibility: Tooling component can be exploited to bypass security restrictions
8. Information disclosure vulnerability in the Networking: Cache component can be exploited to obtain sensitive information
9. Spoofing vulnerability in the Site Permissions component can be exploited to spoof user interface
10. Incorrect boundary vulnerability in the JavaScript: GC component can be exploited remotely to execute arbitrary code

Fiches de renseignement originales

• MFSA2025-77

Exploitation

Public exploits exist for this vulnerability.

Produits associés

• Mozilla-Thunderbird

Liste CVE

• CVE-2025-10528
  high
• CVE-2025-10529
  high
• CVE-2025-10530
  high
• CVE-2025-10531
  high
• CVE-2025-10532
  high
• CVE-2025-10534
  critical
• CVE-2025-10537
  critical
• CVE-2025-10527
  high
• CVE-2025-10533
  critical
• CVE-2025-10536
  high

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