{"action":"Upgrade php81 to 8.1.33-r0 or later.","affected":[{"fixed":"8.1.33-r0","introduced":"0"}],"component":"php81","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.19","exploited":false,"fixed_versions":["8.1.33-r0"],"id":"tcs_01M6GA3CC72SR0M7F8AS0958RD","modified_at":"2026-11-03T06:30:24.962897616Z","published_at":"2025-07-13T22:15:23.353Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2025-6491","https://security.alpinelinux.org/vuln/CVE-2025-6491"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2025-6491","url":"https://osv.dev/vulnerability/ALPINE-CVE-2025-6491"}],"summary":"In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 when parsing XML data in SOAP extensions, overly large (>2Gb) XML namespace prefix may lead to null p"}