{"id":"CVE-2023-34620","aliases":["GO-2026-5157"],"url":"https://o3.security/vulnerability/CVE-2023-34620","summary":"hjson stack exhaustion vulnerability","details":"An issue was discovered hjson through 3.0.0 allows attackers to cause a denial of service or other unspecified impacts via crafted objects that deeply nested structures.","published":"2023-06-14T15:30:38Z","modified":"2026-09-10T03:50:02.120371256Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hjson/hjson-go/v4","fixedVersion":"4.5.0"},{"ecosystem":"Maven","name":"org.hjson:hjson","fixedVersion":"3.0.1"},{"ecosystem":"Packagist","name":"laktak/hjson","fixedVersion":"2.3.0"}],"fix":{"url":"https://github.com/hjson/hjson-cpp/pull/54","label":"hjson/hjson-cpp#54"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34620"},{"type":"WEB","url":"https://github.com/hjson/hjson-java/issues/24"},{"type":"WEB","url":"https://github.com/hjson/hjson-cpp/pull/54"},{"type":"WEB","url":"https://github.com/hjson/hjson-go/pull/67"},{"type":"WEB","url":"https://github.com/hjson/hjson-php/pull/45"},{"type":"WEB","url":"https://github.com/hjson/hjson-go/commit/326599cebc6ef759892f473bf1439b98466a99fa"},{"type":"WEB","url":"https://github.com/hjson/hjson-php/commit/2d1b8b4b158a8d841f3a228f267c7cd84fe5a4fa"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:50:02.120371256Z"}}