CVE-2019-8720 WebKitGTK Memory Corruption

Exploited in the wild High 8.8 Published Updated

Attackers can execute arbitrary code by tricking users into visiting malicious web content processed by WebKitGTK.

Exploited in the wild
Since 23 May 2022
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2019-8720?

CVE-2019-8720 is a high-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 6 Mar 2023. 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

A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.

Weakness: CWE-119

Which versions are affected by CVE-2019-8720?

It affects 23 products.

Products include Redhat Codeready Linux Builder, Redhat Codeready Linux Builder Eus, Redhat Codeready Linux Builder for Arm64 Eus, Redhat Codeready Linux Builder for Ibm Z Systems Eus, Redhat Codeready Linux Builder for Power Little Endian Eus, Redhat Enterprise Linux and 17 more.

How do I fix CVE-2019-8720?

Apply the vendor's patch. US federal agencies must fix it by 13 Jun 2022.

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

Is CVE-2019-8720 being exploited?

Yes. Attackers have exploited CVE-2019-8720 in the wild since at least 23 May 2022.

All Redhat Enterprise Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-8720, GHSA-5cgp-g38q-m4xj, UBUNTU-CVE-2019-8720.

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