{"id":"AZL-31703","summary":"CVE-2023-5574 affecting package xorg-x11-server for versions less than 1.20.10-10","details":"A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode). If the pointer is warped from a screen 1 to a screen 0, a use-after-free issue may be triggered during shutdown or reset of the Xvfb server, allowing for possible escalation of privileges or denial of service.","modified":"2026-04-01T05:10:21.528921Z","published":"2023-10-25T20:15:18Z","upstream":["CVE-2023-5574"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5574"}],"affected":[{"package":{"name":"xorg-x11-server","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/xorg-x11-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.10-10"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-31703.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}