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Findings

CVE-2015-5123

Adobe Flash Player Use-After-Free Vulnerability

Published Jul 14, 2015 · updated Jun 16, 2026 · redhat enterprise linux desktop

Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 14, 2015 · Catalog

    Detected

    Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption)

  2. Apr 13, 2022 · CISA KEV

    Known exploited

    The impacted product is end-of-life and should be disconnected if still in use.

  3. May 4, 2022 · CISA KEV

    Remediation due

    The impacted product is end-of-life and should be disconnected if still in use.

  4. Jun 16, 2026 · Catalog

    Updated

    Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption)

Required action

The impacted product is end-of-life and should be disconnected if still in use.

CISA due date May 4, 2022

Affected

  • cpe adobe/flash playerversion unspecified
  • cpe opensuse/evergreen11.4
  • cpe redhat/enterprise linux desktop5.0
  • cpe redhat/enterprise linux desktop6.0
  • cpe redhat/enterprise linux server5.0
  • cpe redhat/enterprise linux server6.0
  • cpe redhat/enterprise linux server eus6.6
  • cpe redhat/enterprise linux workstation5.0
  • cpe redhat/enterprise linux workstation6.0
  • vendor Adobe Flash Playerversion unspecified

Sources

  • CISA KEVCVE-2015-5123

    Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).

    cisa.gov
  • CVE.orgCVE-2015-5123

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2015-5123

    30-day exploitation probability 18.8%

    first.org
  • NIST NVDCVE-2015-5123

    Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux

    nvd.nist.gov

References