Multiple vulnerabilities in Mozilla Thunderbird

Description

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

Below is a complete list of vulnerabilities:

1. Memory corruption vulnerability in the GMP process can be exploited to execute arbitrary code
2. Same-origin policy bypass vulnerability in the Graphics can be exploited to bypass security restrictions
3. Uninitialized memory vulnerability in the JavaScript Engine component can be exploited to execute arbitrary code
4. Out of memory vulnerability in the Graphics: WebRender component can be exploited to cause denial of service
5. Memory corruption vulnerability can be exploited to execute arbitrary code

Original advisories

• MFSA2025-72

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2025-9179
  critical
• CVE-2025-9180
  critical
• CVE-2025-9181
  high
• CVE-2025-9182
  critical
• CVE-2025-9184
  unknown
• CVE-2025-9185
  unknown

Read more

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