CVE-2018-4871 Information disclosure in Adobe Flash Player before 28.0.0.137

What is CVE-2018-4871?

CVE-2018-4871 is a high-severity vulnerability in Adobe Flash Player, published on 9 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.

Weakness: CWE-125

Which versions are affected by CVE-2018-4871?

It affects 4 products.

Products include Adobe Flash Player, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2018-4871?

Upgrade to a fixed version.

Is CVE-2018-4871 being exploited?

There is no known exploitation of CVE-2018-4871 in the wild and no public exploit code.

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-jhfm-prjw-6726, MGASA-2018-0072.