A heap buffer overflow vulnerability exists in the Glamor CopyArea component of the Xorg server. This vulnerability is identified as CVE-2026-93522 and affects multiple specific versions of the xorg-server package. The issue could potentially lead to memory corruption. The severity is assessed as medium. No CVSS score or detailed technical exploit information is provided. No known exploits are reported in the wild. The vulnerability affects various Ubuntu package versions of xorg-server.