VULNERABILITY INTELLIGENCE

CVE-2016-9904

CVSS score7.5 HIGH

EPSS probability2.72%

CISA KEVNot currently listed

Published2018-06-11

Last modified2026-06-17

Description

An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information, such as usernames embedded in JavaScript code, across websites. This vulnerability affects Firefox < 50.1, Firefox E... .