✕

Rewterz Annual Threat Intelligence Report 2025 - Download Now

Request a Demo
Rewterz

Threat Actors Abuse Gmail SMTP in Sophisticated Python Package Attack

May 2, 2025
Rewterz

Multiple IBM MQ Operator Vulnerabilities

May 3, 2025

CVE-2025-4093 – Mozilla Firefox Vulnerability

Severity

High

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

Mozilla

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

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo