{"action":"Upgrade ruby-oj to 3.16.3-1+deb13u1 or later.","affected":[{"fixed":"3.16.3-1+deb13u1","introduced":"0"}],"component":"ruby-oj","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.16.3-1+deb13u1"],"id":"tcs_01M5NSZPT6XD85S9JNNMBWRJB6","modified_at":"2026-10-26T11:47:37.381601947Z","published_at":"2026-07-01T00:16:33.103Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-54898","https://security-tracker.debian.org/tracker/CVE-2026-54898"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-54898#Debian:13/ruby-oj","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-54898"}],"summary":"Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2,Oj::Parser#parse is vulnerable to a heap use-after-free when a SAJ/SAJ2 callback mutates"}