CVE-2015-5557: Use-after-free vulnerability in Adobe Flash Player before 18.0.0.232 on Windows and OS X and before 11.2.20...

Security readout for executives and security teams

CVE-2015-5557 is a memory safety flaw in Adobe Flash Player and Adobe AIR that could let an attacker run code on a user’s machine. The public bundle does not show active exploitation, but affected software is browser-adjacent and historically high-impact, so remaining installations should be treated seriously. Exposure is most likely on endpoints, packaged desktop images, legacy browsers, kiosk systems, or applications that still include vulnerable Flash Player or Adobe AIR components below the fixed versions listed by Adobe and Linux distribution advisories. Prioritize remediation where Flash or AIR remains installed on user-facing endpoints or managed images. The business risk is code execution on client systems, not a server-side internet exposure. If inventories show no affected Adobe components, residual risk is low. Mitigation focus: Upgrade Flash Player and Adobe AIR components to the fixed versions in Adobe APSB15-19.; Apply relevant Linux distribution updates from Gentoo, Red Hat, or openSUSE advisories where applicable.; Remove or disable vulnerable Flash Player or AIR components where business use is not required..

Prepared

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

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