CVE-2016-1859: The WebKit Canvas implementation in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1 allo...

Security readout for executives and security teams

CVE-2016-1859 is a WebKit Canvas memory-corruption flaw. A malicious website could make vulnerable Apple browsers or WebKit-based components crash or potentially run attacker-controlled code. It matters mainly where very old iOS, Safari, tvOS, or referenced WebKitGTK builds remain in use. Exposure is most likely on legacy Apple devices or browsers below the fixed versions, and possibly WebKitGTK deployments covered by the referenced advisory. Modern managed fleets are unlikely to be affected unless unsupported systems remain in production. Treat this as a legacy-technology risk. It is severe for any still-vulnerable asset because browsing to a hostile site can trigger code execution, but current urgency depends on whether obsolete Apple or WebKitGTK versions remain deployed. Mitigation focus: Update iOS to 9.3.2 or later where supported.; Update Safari to 9.1.1 or later.; Update tvOS to 9.2.1 or later where relevant..

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.