Multiple vulnerabilities in Mozilla Firefox

Description

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to spoof user interface, execute arbitrary code, cause denial of service, obtain sensitive information, bypass security restrictions.

Below is a complete list of vulnerabilities:

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

Original advisories

• MFSA2023-49

Related products

• Mozilla-Firefox

CVE list

• CVE-2023-6211
  unknown
• CVE-2023-6213
  unknown
• CVE-2023-6212
  unknown
• CVE-2023-6204
  unknown
• CVE-2023-6208
  unknown
• CVE-2023-6209
  unknown
• CVE-2023-6207
  unknown
• CVE-2023-6205
  unknown
• CVE-2023-6206
  unknown
• CVE-2023-6210
  unknown

Read more

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