Multiple vulnerabilities in Mozilla Thunderbird

Description

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

Below is a complete list of vulnerabilities:

1. Security UI vulnerability can be exploited to spoof user interface.
2. Security vulnerability can be exploited to bypass security restrictions.
3. Information disclosure vulnerability can be exploited to obtain sensitive information.

Original advisories

• MFSA2025-26

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2025-2830
  high
• CVE-2025-3522
  high
• CVE-2025-3523
  high

Read more

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