CVE-2015-8643: Use-after-free vulnerability in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on...

Security readout for executives and security teams

This CVE is a memory-safety flaw in Adobe Flash Player and Adobe AIR that could let an attacker run arbitrary code. The available sources describe affected pre-fixed versions across Windows, OS X, Linux, and AIR tooling. No KEV listing or supplied source confirms active exploitation. Exposure is most likely on endpoints, browsers, or packaged applications still running affected Adobe Flash Player or Adobe AIR versions. Enterprises should also check Linux distribution packages and any vendor-managed images that may have retained older Flash or AIR components. Treat this as a legacy software exposure cleanup item with high workstation risk. It is not KEV-confirmed active exploitation in the supplied sources, but arbitrary code execution in Flash/AIR justifies prompt removal or update. Mitigation focus: Update Flash Player and Adobe AIR to the fixed versions named by Adobe and distributors.; Remove Flash Player or AIR where there is no current business requirement.; Check Red Hat, SUSE, openSUSE, Gentoo, and vendor appliance guidance where applicable..

Prepared

Jun 13, 2026, 21:26 UTC (UTC+00:00)

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