Analysis Summary

CVE-2025-4093

Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by memory safety bugs within the browser engine. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.

Impact

• Code Execution
• Denial of Service

Indicators of Compromise

CVE

• CVE-2025-4093

Affected Vendors

Affected Products

• Mozilla Firefox ESR - 128.9
• Mozilla Thunderbird ESR - 128.9

Remediation

Refer to Mozilla Security Advisory for patch, upgrade, or suggested workaround information.

Mozilla Security Advisory