{"id":"CVE-2023-42276","aliases":["GHSA-rxgf-r843-g53h"],"url":"https://o3.security/vulnerability/CVE-2023-42276","summary":"hutool Buffer Overflow vulnerability","details":"hutool v5.8.21 was discovered to contain a buffer overflow via the component jsonArray.","published":"2023-09-08T00:00:00Z","modified":"2026-10-28T02:30:26.518570481Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"cn.hutool:hutool-core","fixedVersion":null},{"ecosystem":"Maven","name":"cn.hutool:hutool-json","fixedVersion":null}],"fix":{"url":"https://github.com/dromara/hutool/commit/9ba8f9ca5dd32441f2e0f150cb22fa178bb771d3","label":"dromara/hutool@9ba8f9c"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42276.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42276"},{"type":"REPORT","url":"https://github.com/dromara/hutool/issues/3286"},{"type":"WEB","url":"https://github.com/dromara/hutool/commit/9ba8f9ca5dd32441f2e0f150cb22fa178bb771d3"},{"type":"PACKAGE","url":"https://github.com/dromara/hutool"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:26.518570481Z"}}