CVE-2018-4937 Memory corruption in Adobe Flash Player 29.0.0.113 and earlier versions

What is CVE-2018-4937?

CVE-2018-4937 is a high-severity memory corruption vulnerability in Adobe Flash Player, published on 19 May 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Weakness: CWE-787

Which versions are affected by CVE-2018-4937?

It affects 2 products.

Products include Adobe Flash Player, Adobe Flash Player Desktop Runtime.

How do I fix CVE-2018-4937?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-4937 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-4937 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Adobe Flash Player

• CVE-2017-11292 Adobe Flash Player Type Confusion Exploited High 8.8
• CVE-2016-7892 Adobe Flash Player Use-After-Free Exploited High 8.8
• CVE-2016-7855 Adobe Flash Player Use-After-Free Exploited High 8.8
• CVE-2014-0497 Adobe Flash Player Integer Underflow Vulnerablity Exploited High 8.8
• CVE-2013-0643 Adobe Flash Player Incorrect Default Permissions Exploited High 8.8

All Adobe Flash Player vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vr3r-r5qq-wvx5, UBUNTU-CVE-2018-4937.