Google has submitted a new CVE for a vulnerability identified in libwebp, an open-source library for handling images in WebP format. WebP allows for smaller image sizes, reducing download times and improving website performance, and is supported by popular web browsers.

Google initially reported the issue as a flaw in Google Chrome (CVE-2023-4863) with a severity rating of 8.8 (High), but the company subsequently issued the WebP vulnerability under CVE-2023-5129 assigning the maximum severity rating possible – 10/10 (Critical).