CVE-2019-7837: Adobe Flash Player PSDK Use-After-Free Remote Code Execution Vulnerability

Published May 14, 2019
·
Updated

Adobe Flash Player versions 32.0.0.171 and earlier, 32.0.0.171 and earlier, and 32.0.0.171 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

Other sources

Adobe Security Bulletin APSB19-26 for Adobe Flash Player describes a flaw that can possibly lead to arbitrary code execution when Flash Player is used to play a specially crafted SWF file:

Use After Free -- CVE-2019-7837

External References:

https://helpx.adobe.com/security/products/flash-player/apsb19-26.html

Red Hat

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Flash Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of objects in the PSDK namespace. By performing actions in ActionScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code in the context of the current process.

ZDI

Affected Software

15 affected componentsFixes available
redhat/flash-plugin<32.0.0.192
32.0.0.192
Adobe Flash
Adobe Flash Player Desktop Runtime<=32.0.0.171
Apple iOS and macOS
Linux Linux kernel
Microsoft Windows
Adobe Flash Player Chrome<=32.0.0.171
Google Chrome OS
Adobe Flash Player Edge<=32.0.0.171
Adobe Flash Player Internet Explorer 11<=32.0.0.171
Microsoft Windows 10
Microsoft Windows 8.1
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Workstation=6.0

Event History

May 22, 2019
CVE Published
via MITRE·06:08 PM
Data Sourced
via MITRE·06:08 PM
DescriptionWeakness
Feb 26, 2025
Advisory Published
via ZDI·09:21 PM
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Frequently Asked Questions

1

What is CVE-2019-7837?

CVE-2019-7837 is a vulnerability that allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Flash Player.

2

How severe is CVE-2019-7837?

CVE-2019-7837 has a severity rating of critical with a score of 8.8.

3

How can the CVE-2019-7837 vulnerability be exploited?

To exploit CVE-2019-7837, user interaction is required, meaning the target must visit a malicious page or open a malicious file.

4

What software is affected by CVE-2019-7837?

Adobe Flash Player versions up to and including 32.0.0.171 are affected by CVE-2019-7837.

5

How can I fix CVE-2019-7837?

To fix CVE-2019-7837, update Adobe Flash Player to version 32.0.0.192 or higher.

Contact

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