Multiple vulnerabilities in Mozilla Thunderbird ESR

Description

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

Below is a complete list of vulnerabilities:

1. Memory safety vulnerability can be exploited to execute arbitrary code.
2. Type confusion vulnerability when looking up a property name in a “with” block can be exploited to cause denial of service.
3. Type confusion vulnerability in WASM can be exploited to cause denial of service.
4. Security vulnerability can be exploited to bypass security restrictions.
5. Security UI vulnerability can be exploited to spoof user interface.
6. Cross-site scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.
7. Use after free vulnerability when aborting the verification of an OTR chat session can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• MFSA2024-43

Exploitation

Public exploits exist for this vulnerability.

Related products

• Mozilla-Thunderbird-ESR

CVE list

• CVE-2024-8387
  critical
• CVE-2024-8381
  critical
• CVE-2024-8385
  critical
• CVE-2024-8386
  high
• CVE-2024-8382
  critical
• CVE-2024-8384
  critical
• CVE-2024-8394
  high

Read more

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