Mozilla Products Multiple Vulnerabilities

Release Date: 2 Jul 2026

RISK: Medium Risk

TYPE: Clients - Browsers

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

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Impact

• Denial of Service
• Remote Code Execution
• Spoofing

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System / Technologies affected

Versions prior to:

 

• Firefox 152.0.4
• Thunderbird 140.12.1
• Thunderbird 152.0.1

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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 152.0.4
• Thunderbird 140.12.1
• Thunderbird 152.0.1

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Vulnerability Identifier

• CVE-2026-14241
• CVE-2026-57962
• CVE-2026-57963

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Source

• Mozilla

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Related Link

• https://www.mozilla.org/en-US/security/advisories/mfsa2026-62/
• https://www.mozilla.org/en-US/security/advisories/mfsa2026-63/
• https://www.mozilla.org/en-US/security/advisories/mfsa2026-64/