CVE-2018-15978: Adobe Flash Player

High severity, CVSS 7.5. EPSS: 7.4% chance of exploitation in the next 30 days.

Flash Player versions 31.0.0.122 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.

Affected products

  • Adobe Flash Player: up to and including 31.0.0.122
  • Adobe Flash Player Desktop Runtime: up to and including 31.0.0.122
  • Red Hat Enterprise Linux Desktop: version 6.0 only
  • Red Hat Enterprise Linux Server: version 6.0 only
  • Red Hat Enterprise Linux Workstation: version 6.0 only

Published 2018-11-29. Last modified 2026-06-17.