{"action":"Upgrade oj to 3.17.3 or later.","affected":[{"fixed":"3.17.3","introduced":"0"}],"component":"oj","cve_ids":["CVE-2026-54500"],"ecosystem":"RubyGems","epss":0.00198,"exploited":false,"fixed_versions":["3.17.3"],"ghsa_id":"GHSA-fm7p-mprw-wjm9","id":"tcs_01M5KEK3K5E3G0PVT4GX6WDC6P","modified_at":"2026-09-10T03:50:49.506149539Z","published_at":"2026-06-19T19:35:59Z","references":["https://osv.dev/vulnerability/GHSA-fm7p-mprw-wjm9","https://github.com/ohler55/oj/security/advisories/GHSA-fm7p-mprw-wjm9","https://github.com/ohler55/oj"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-fm7p-mprw-wjm9","url":"https://osv.dev/vulnerability/GHSA-fm7p-mprw-wjm9"}],"summary":"Oj: intern.c form_attr (uninitialized stack read)"}