CVE-2020-15999 vulnerability in Freetype and Other Products
Published on November 3, 2020

Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Github Repository NVD

Known Exploited Vulnerability

This Google Chrome FreeType Memory Corruption vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2020-15999 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2020-15999 has been classified to as a Memory Corruption vulnerability or weakness.

Products Associated with CVE-2020-15999

You can be notified by stack.watch whenever vulnerabilities like CVE-2020-15999 are published in these products:

Freetype2

Google Chrome

OpenSuse Backports Sle

Debian Linux

Fedora Project Fedora

Freetype

What versions are vulnerable to CVE-2020-15999?

Google Chrome Fixed in Version 86.0.4240.111

Freetype Version 2.6.0 Fixed in Version 2.10.4

Debian Linux Version 10.0

Fedora Project Fedora Version 31

OpenSuse Backports Sle Version 15.0 sp2

Vulnerable Packages

The following package name and versions may be associated with CVE-2020-15999

Package Manager	Vulnerable Package	Versions	Fixed In
nuget	CefSharp.Common	< 85.3.130	85.3.130
nuget	CefSharp.Wpf	< 85.3.130	85.3.130
nuget	CefSharp.WinForms	< 85.3.130	85.3.130
nuget	CefSharp.Wpf.HwndHost	< 85.3.130	85.3.130