{"schemaVersion":3,"id":"CVE-2026-50262","aliases":["UBUNTU-CVE-2026-50262","DEBIAN-CVE-2026-50262"],"status":"published","duplicateOf":null,"title":null,"description":"An out-of-bounds read flaw was found in the X.Org X server and Xwayland in __glXDisp_ChangeDrawableAttributes(). A wrong size validation check can read a client-controlled number of bytes, exceeding the request buffer, leading to information disclosure. 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