Adobe Flash Player 23.0.0.207 and earlier, 11.2.202.644 and earlier — Vulnerabilities & Security Advisories 17

This page catalogs security vulnerabilities affecting Adobe Flash Player versions 23.0.0.207 and earlier, as well as version 11.2.202.644 and earlier. It focuses on the general weakness types associated with these legacy software releases, providing a structured overview of the known security flaws rather than isolated incident reports. The content collected here encompasses a wide range of vulnerability classifications, including memory corruption issues, privilege escalation flaws, cross-site scripting weaknesses, and denial-of-service conditions. The time range covered spans the entire active support lifecycle of these specific product versions, capturing all officially documented security updates and third-party research findings from their initial release up to their final end-of-life date. This ensures a comprehensive historical record of the attack surface exposed by these deprecated builds. Visitors to this page can efficiently track a vendor's advisories as they were released, allowing for accurate timeline reconstruction of patching efforts. Additionally, users can understand the broader implications of specific weakness classes as they manifested in this particular technology stack, observing patterns in how attackers exploited these common architectural defects. Researchers and security professionals may also look up a product's vulnerability history to compare risk profiles across different Adobe releases or to identify lingering legacy systems that may still be running these unpatched versions. This aggregation serves as a centralized reference point for assessing the residual risk and historical context of these specific software artifacts in enterprise environments.