PatchGap
Firefox · Core

CVE-2026-109707

Logic Error in Core
High firefox Logic Error

Overview

High
Severity
—
CVSS
No
Exploited ITW
Embargoed
Fix Status
Impacthigh
DescriptionSandbox escape due to use-after-free in the Networking component
ComponentCore
Bug ClassLogic Error
Tracker2059150
CISA KEVNot listed
CreditedMozilla
Disclosed2026-10-13

Fix not yet public

No public source fix for this bug has been identified on the main branch yet — it is embargoed or not yet disclosed. Root-cause analysis is withheld until the fix commit is available.
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