{"action":"Upgrade xorg-server to 2:21.1.16-1.2 or later.","affected":[{"fixed":"2:21.1.16-1.2","introduced":"0"}],"component":"xorg-server","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2:21.1.16-1.2"],"id":"tcs_01M5NNZ9RZ8CKDV6R42VQX6Z9W","modified_at":"2026-11-05T10:00:13.663426678Z","published_at":"2025-06-17T15:15:46Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-49179","https://security-tracker.debian.org/tracker/CVE-2025-49179"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-49179#Debian:13/xorg-server","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-49179"}],"summary":"A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length c"}