CVE-2016-2829: Mozilla Firefox before 47.0 allows remote attackers to spoof permission notifications via a crafted web sit...

Security readout for executives and security teams

Older Firefox versions could be tricked into showing misleading permission prompts for sensitive browser permissions such as microphone or location. A malicious site could abuse the way repeated permission requests were displayed, increasing the chance that a user grants access under false assumptions. Exposure is mainly endpoints or managed Linux desktops still running Firefox before 47.0 or unpatched distribution builds from that era. Modern supported Firefox installations are unlikely to be exposed if regularly updated. Prioritize remediation where legacy browsers remain in production or handle sensitive microphone or location permissions. This is not presented as a widespread actively exploited issue, but outdated browsers create avoidable privacy and trust risks. Mitigation focus: Upgrade Firefox to version 47.0 or later.; Apply relevant Ubuntu or openSUSE security updates where Firefox is distro-managed.; Check Mozilla and distribution advisories for environment-specific package guidance..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.