{"action":"Upgrade oj to 3.17.3 or later.","affected":[{"fixed":"3.17.3","introduced":"0"}],"component":"oj","cve_ids":["CVE-2026-54502"],"ecosystem":"RubyGems","epss":0.00401,"exploited":false,"fixed_versions":["3.17.3"],"ghsa_id":"GHSA-3v45-f3vh-wg7m","id":"tcs_01M5KEGE262GJGKQVTXGVWQ87V","modified_at":"2026-09-10T03:50:55.313173823Z","published_at":"2026-06-19T19:35:27Z","references":["https://osv.dev/vulnerability/GHSA-3v45-f3vh-wg7m","https://github.com/ohler55/oj/security/advisories/GHSA-3v45-f3vh-wg7m","https://github.com/ohler55/oj"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"GHSA-3v45-f3vh-wg7m","url":"https://osv.dev/vulnerability/GHSA-3v45-f3vh-wg7m"},{"source":"nvd","source_id":"CVE-2026-54502","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54502"}],"summary":"Oj: Stack Buffer Overflow in Oj.dump via Large Indent"}