The JFrog Security research team recently identified two high-severity vulnerabilities in the X.Org libX11 graphics library, specifically CVE-2023-43786 and CVE-2023-43787, which could result in denial-of-service and remote code execution. These vulnerabilities have been addressed in the latest X11 versions. The blog post, part of a two-part series, delves into the technical details of the Xpm file format and the exploitation of these vulnerabilities, focusing on CVE-2023-43786 in this installment. The post explores the libX11 and libXpm libraries, providing a historical overview of the XPM image format and its vulnerabilities. The JFrog Platform has been confirmed not vulnerable to these CVEs, thanks to JFrog's contextual analysis feature, which assesses the applicability of vulnerabilities in users' codebases. JFrog's ongoing security research contributes to improving the platform's security capabilities by offering enhanced CVE metadata and remediation guidance, which is shared through blog posts and updates on their research website.