Multiple vulnerabilities in Mozilla Thunderbird

Description

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to gain privileges, bypass security restrictions, execute arbitrary code, cause denial of service, spoof user interface.

Below is a complete list of vulnerabilities:

1. An elevation of privilege vulnerability can be exploited remotely to privilege escalation attacks.
2. Security vulnerability can be exploited to bypass security restrictions.
3. Memory safety vulnerability can be exploited to execute arbitrary code.
4. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
5. Security UI vulnerability can be exploited to spoof user interface.

Original advisories

• MFSA2025-23

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2025-3032
  high
• CVE-2025-3031
  high
• CVE-2025-3030
  critical
• CVE-2025-3028
  high
• CVE-2025-3034
  critical
• CVE-2025-3029
  high
• CVE-2025-3033
  critical

Read more

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