Mozilla Firefox Multiple Vulnerabilities

Release Date: 19 May 2025

RISK: Medium Risk

TYPE: Clients - Browsers

Multiple vulnerabilities were identified in Mozilla Firefox. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, remote code execution and information disclosure on the targeted system.

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Impact

• Denial of Service
• Remote Code Execution
• Information Disclosure

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System / Technologies affected

Versions prior to:

 

• Firefox ESR 128.10.1
• Firefox ESR 115.23.1
• Firefox 138.0.4

 

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Solutions

Before installation of the software, please visit the vendor web-site for more details.

Apply fixes issued by the vendor:

 

• Firefox ESR 128.10.1
• Firefox ESR 115.23.1
• Firefox 138.0.4

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Vulnerability Identifier

• CVE-2025-4918
• CVE-2025-4919

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Source

• Mozilla

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Related Link

• https://www.mozilla.org/en-US/security/advisories/mfsa2025-36/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-37/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-38/