CRITICAL · 9.8

CVE-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 an...

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
RedhatEnterprise Linux Desktop5.0
RedhatEnterprise Linux Server5.0
RedhatEnterprise Linux Server Eus6.6
RedhatEnterprise Linux Workstation5.0
OpensuseEvergreen11.4
SuseLinux Enterprise Desktop11
SuseLinux Enterprise Workstation Extension12
AdobeFlash Player>= 11.0, <= 11.2.202.481
LinuxLinux Kernel-
AdobeFlash Player Desktop Runtime>= 18.0, <= 18.0.0.203
AppleMacos-
MicrosoftWindows-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2015-5123?

CVE-2015-5123 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 an...

How severe is CVE-2015-5123?

CVE-2015-5123 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2015-5123?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation, Opensuse Evergreen.