{"action":"Upgrade php8.4 to 8.4.21-1~deb13u1 or later.","affected":[{"fixed":"8.4.21-1~deb13u1","introduced":"0"}],"component":"php8.4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["8.4.21-1~deb13u1"],"id":"tcs_01M5NV3G6DEVW53YBA2FN9HBHK","modified_at":"2026-10-01T03:03:40.882302080Z","published_at":"2026-05-10T06:16:08.343Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-7263","https://security-tracker.debian.org/tracker/CVE-2026-7263"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-7263","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-7263"}],"summary":"In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML docum"}