{"action":"Upgrade php8.4 to 8.4.21-1 or later.","affected":[{"fixed":"8.4.21-1","introduced":"0"}],"component":"php8.4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["8.4.21-1"],"id":"tcs_01M5NV3ERW716EWKDBTBBTTQP7","modified_at":"2026-10-01T03:03:40.986074039Z","published_at":"2026-05-10T05:16:11.507Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-7259","https://security-tracker.debian.org/tracker/CVE-2026-7259"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-7259#Debian:14/php8.4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-7259"}],"summary":"In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resu"}