{"id":"CLEANSTART-2025-SL32277","summary":"flaw was found in xorg-x11-server in versions before 21","details":"CVE-2021-4011 affects multiple packages. A flaw was found in xorg-x11-server in versions before 21. See references for individual vulnerability details.","modified":"2026-10-31T16:03:53.532018007Z","published":"2026-10-31T14:03:57.208196Z","upstream":["CVE-2021-4011"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2025/CLEANSTART-2025-SL32277.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2021-4011"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4011"}],"affected":[{"package":{"name":"xorg-server","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xorg-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1.2-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-SL32277.json"}},{"package":{"name":"xwayland","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xwayland"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1.4-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-SL32277.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}