A recently discovered zero-day vulnerability in the libwebp library, commonly used in various software and applications, has been identified as a critical threat to affected systems. The vulnerability, CVE-2023-4863, has been found to be exploited in the wild, making it essential for organizations to quickly apply patches to their systems to prevent exploitation. The blog post provides information on the affected systems, including docker containers and products that depend on the vulnerable version of libwebp, as well as fixed software, browsers, and packages that have been updated with patches. Organizations are advised to prioritize security while maintaining operational stability and consider alternative tooling to detect instances of CVE-2023-4863 within their environment. Rezilion, a security research firm, is offering a free risk assessment program to help organizations identify vulnerabilities and stay secure in the face of emerging threats.