CVE-2023-5217 vulnerability in Canonical and Other Products
Published on September 28, 2023

Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Vendor Advisory NVD

Known Exploited Vulnerability

This Google Chrome libvpx Heap Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Google Chrome libvpx contains a heap buffer overflow vulnerability in vp8 encoding that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The following remediation steps are recommended / required by October 23, 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2023-5217 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 be very high.

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-2023-5217 has been classified to as a Memory Corruption vulnerability or weakness.

Products Associated with CVE-2023-5217

You can be notified by stack.watch whenever vulnerabilities like CVE-2023-5217 are published in these products:

What versions are vulnerable to CVE-2023-5217?

Each of the following must match for the vulnerability to exist.

Microsoft Edge Browser Version 116.0.1938.98
Microsoft Edge Browser Version 117.0.2045.47
Microsoft Edge Chromium Version 116.0.5845.229
Microsoft Edge Chromium Version 117.0.5938.132

Mozilla Firefox Focus Fixed in Version 118.1 android
Mozilla FireFox Extended Support Release (ESR) Fixed in Version 115.3.1
Mozilla Firefox Fixed in Version 118.1 android
Mozilla Firefox Fixed in Version 118.0.1
Mozilla Thunderbird Fixed in Version 115.3.1

Fedora Project Fedora Version 37
Fedora Project Fedora Version 38
Fedora Project Fedora Version 39

Debian Linux Version 10.0
Debian Linux Version 11.0
Debian Linux Version 12.0