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, obtain sensitive information, bypass security restrictions, spoof user interface.

Below is a complete list of vulnerabilities:

1. Memory safety vulnerability can be exploited to execute arbitrary code.
2. Out of bounds memory access vulnerability in WebGL2 blitFramebuffer can be exploited to cause denial of service.
3. Information disclosure vulnerability for X11 can be exploited to obtain sensitive information.
4. Security feature bypass vulnerability can be exploited remotely to bypass security restrictions.
5. Use after free vulnerability in ReadableByteStreamQueueEntry::Buffer can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in MessagePort::Entangled can be exploited to cause denial of service or execute arbitrary code.
7. Clickjacking permission prompts vulnerability in fullscreen transition can be exploited remotely to spoof user interface.

Original advisories

• MFSA2023-52

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2023-6212
  critical
• CVE-2023-6204
  high
• CVE-2023-6208
  critical
• CVE-2023-6209
  high
• CVE-2023-6207
  critical
• CVE-2023-6205
  high
• CVE-2023-6206
  high

Read more

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