Multiple vulnerabilities in Mozilla Firefox

Description

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

Below is a complete list of vulnerabilities:

1. Security vulnerability can be exploited to bypass security restrictions.
2. Validation of untrusted input vulnerability can be exploited to bypass security restrictions.
3. Security UI vulnerability can be exploited to spoof user interface.
4. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
5. Memory safety vulnerability can be exploited to execute arbitrary code.
6. Cross-site scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.

Original advisories

• MFSA2025-51

Related products

• Mozilla-Firefox

CVE list

• CVE-2025-6424
  unknown
• CVE-2025-6425
  unknown
• CVE-2025-6427
  unknown
• CVE-2025-6429
  unknown
• CVE-2025-6430
  unknown
• CVE-2025-6432
  unknown
• CVE-2025-6433
  unknown
• CVE-2025-6434
  unknown
• CVE-2025-6436
  high
• CVE-2025-6435
  critical

Read more

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