Mozilla Firefox — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
35
occurrences
First Seen
January 16, 2026
Last Seen
September 10, 2026

Related Threat Clusters

Recent Intelligence Reports

  • HackTools exploit — Sploitus · September 10, 2026
  • Fedora 44 Firefox Important Heap Buffer Overflow Vuln 2026 — Linuxsecurity · September 3, 2026
  • Fedora 43 Firefox Heap Overflow Security Advisory 2026 — Linuxsecurity · September 3, 2026
  • PATCHCORD: New malware cluster targets Afghan telecom and South Asian critical infrastructure — Acronis · August 13, 2026
  • PATCHCORD: New malware cluster targets Afghan telecom and South Asian critical infrastructure — Acronis · August 13, 2026
  • T1539 — attack.mitre.org · July 23, 2026
  • 003 — attack.mitre.org · July 23, 2026
  • Modheader Malware Chrome Spyware — hackindex.io · July 15, 2026

CVSS v3.1 Breakdown