CVE-2026-100818

Summary

This flaw allows an attacker to escape the sandbox by exploiting a use-after-free vulnerability in the Gtk component, leading to potential code execution.

Exploitability

Exploitation requires specific conditions and is moderately difficult, as it involves precise timing and control over memory management.

Blast radius

If exploited, this vulnerability could lead to complete control over the affected system, including data theft and system compromise.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade to Firefox ESR 153.4, Firefox 157, or Firefox ESR 140.17 or later.

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.