Multiple vulnerabilities in Mozilla Thunderbird

Description

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

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in media can be exploited to cause denial of service or execute arbitrary code.
2. An elevation of privilege vulnerability can be exploited remotely to gain privileges.
3. Memory safety vulnerability can be exploited to execute arbitrary code.
4. Validation of untrusted input vulnerability can be exploited to bypass security restrictions.
5. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• MFSA2025-04

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2025-0238
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• CVE-2025-0239
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• CVE-2025-0237
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• CVE-2025-0242
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• CVE-2025-0243
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• CVE-2025-0241
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• CVE-2025-0240
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• CVE-2025-0247
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Read more

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