Gecko — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
October 29, 2025
Last Seen
December 22, 2025

Gecko is a technology platform tracked across 3 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed October 29, 2025; most recent activity December 22, 2025.

Overview

Gecko is a technology platform referenced in recent security reports as being associated with a new vulnerability that can crash Chromium-based browsers worldwide. The reports emphasize the potential global impact on Chromium ecosystems and note that Google had not patched the vulnerability at the time of publication.

Related Threat Clusters

  • Stealka Malware Targets Cryptocurrency Through Game Cheats and Mods

    The Stealka malware, identified by Kaspersky in November 2025, is designed to steal cryptocurrency and hijack user accounts by masquerading as game cheats, software cracks, and mods. It primarily affects Windows users,…

    3 articles · Updated December 22, 2025
  • Critical Exploit Crashes Chromium Browsers Worldwide

    A newly discovered exploit named Brash can crash Chromium-based browsers, including Google Chrome and Microsoft Edge, by overloading the tab title API. Disclosed by security researcher Jose Pino, this vulnerability…

    2 articles · Updated October 31, 2025
  • New Brash Exploit Crashes Chromium Browsers Worldwide

    A newly discovered exploit named Brash can crash Chromium-based browsers, including Google Chrome, Microsoft Edge, and others, by overloading the tab title API. Security researcher Jose Pino identified this critical…

    1 article · Updated October 31, 2025

Recent Intelligence Reports

  • Stealka Malware Explained: How Fake Game Mods And Software Cracks Are Draining ... — Yellow · December 22, 2025
  • New Exploit Can Crash Chromium Browsers Worldwide — Esecurityplanet · October 31, 2025
  • This security hole can crash billions of Chromium browsers, and Google hasn't patched it yet — Theregister · October 29, 2025

CVSS v3.1 Breakdown