Multiple vulnerabilities in Mozilla Firefox

Description

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

Below is a complete list of vulnerabilities:

1. A memory safety vulnerability can be exploited to execute arbitrary code.
2. A security UI vulnerability for Android can be exploited to cause denial of service and spoof user interface.
3. A code execution vulnerability for Windows can be exploited to execute arbitrary code.
4. A security UI vulnerability can be exploited to spoof user interface.
5. Security UI vulnerability in address bar on Android can be exploited via spoofing user interface.

Original advisories

• MFSA2021-38

Related products

• Mozilla-Firefox

CVE list

• CVE-2021-38494
  critical
• CVE-2021-29993
  critical
• CVE-2021-38492
  high
• CVE-2021-38491
  high
• CVE-2021-38493
  critical
• CVE-2021-4221
  warning

Read more

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