Libwebp.BuildHuffmanTable.Heap.Buffer.Overflow

Description

This indicates an attack attempt to exploit a Buffer Overflow Vulnerability in Libwebp Webp Codec.
The vulnerability is due to an error when the vulnerable software handles a crafted Webp file. A remote attacker may be able to exploit this to execute arbitrary code.

Outbreak Alert

The Google Chromium WebP heap buffer overflow vulnerability has been actively been exploited in the wild. The exploitation of the vulnerability is through a crafted image that can impact the affected applications to crash or lead to arbritrary code execution.

View the full Outbreak Alert Report

Affected Products

libwebp 1.3.2 and earlier
Google Chrome prior to 116.0.5845.187
iOS prior to 16.6.1 and 15.7.9
iPadOS prior to 16.6.1 and 15.7.9
macOS Monterey prior to 12.6.9
macOS Ventura prior to 13.5.2
macOS Big Sur prior to 11.7.10

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html
https://support.apple.com/en-us/HT213905