CVE-2025-26599

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland (affected versions not specified)

Description An issue was found where the function compCheckRedirect() may fail to allocate the backing pixmap, leading to a BadAlloc error. This error occurs without validating the window tree marked just before, resulting in partly initialized validated data and the potential use of an uninitialized pointer later.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.