CVE-2020-9948 Memory corruption in Safari

High 8.8 Published Updated

Attackers can execute arbitrary code by tricking users into visiting malicious web content in Safari.

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

What is CVE-2020-9948?

CVE-2020-9948 is a high-severity memory corruption vulnerability in Apple Safari, published on 16 Oct 2020. 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 type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.

Weakness: CWE-843

Which versions are affected by CVE-2020-9948?

It affects 3 products.

Products include Apple Safari, Debian Debian Linux, Webkit Webkitgtk\+.

How do I fix CVE-2020-9948?

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-2020-9948 being exploited?

There is no known exploitation of CVE-2020-9948 in the wild and no public exploit code.

All Apple Safari vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-9948, GHSA-f937-gh67-6x56, UBUNTU-CVE-2020-9948.

Is CVE-2020-9948 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free