{"action":"Upgrade oj to 3.17.3 or later.","affected":[{"fixed":"3.17.3","introduced":"0"}],"component":"oj","cve_ids":["CVE-2026-54897"],"ecosystem":"RubyGems","epss":0.00203,"exploited":false,"fixed_versions":["3.17.3"],"ghsa_id":"GHSA-9ppp-w3g4-fh4q","id":"tcs_01M5KEJF7HVDFV1G86FXS9SGMD","modified_at":"2026-10-06T20:00:05.188085239Z","published_at":"2026-06-19T19:36:50Z","references":["https://osv.dev/vulnerability/GHSA-9ppp-w3g4-fh4q","https://github.com/ohler55/oj/security/advisories/GHSA-9ppp-w3g4-fh4q","https://nvd.nist.gov/vuln/detail/CVE-2026-54897","https://github.com/ohler55/oj","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/oj/CVE-2026-54897.yml","https://www.cve.org/CVERecord/SearchResults?query=CVE-2026-54897"],"severity":{"label":"low","score":2.1},"sources":[{"source":"osv","source_id":"GHSA-9ppp-w3g4-fh4q","url":"https://osv.dev/vulnerability/GHSA-9ppp-w3g4-fh4q"},{"source":"nvd","source_id":"CVE-2026-54897","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54897"}],"summary":"Oj: Use-After-Free in Oj::Doc Iterators via Reentrant Close"}