Multiple vulnerabilities in Mozilla Firefox ESR

Description

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, gain privileges.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability can be exploited remotely to execute local code.
2. Security vulnerability can be exploited to bypass security restrictions.
3. An elevation of privilege vulnerability can be exploited remotely to gain privileges.

Original advisories

• MFSA2025-30

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2025-2817
  critical
• CVE-2025-4083
  critical
• CVE-2025-4084
  high

Read more

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