{"id":"CVE-2023-33546","aliases":["GHSA-gcg6-xv4f-f749"],"url":"https://o3.security/vulnerability/CVE-2023-33546","summary":"janino vulnerable to denial of service due to stack overflow","details":"Janino 3.1.9 and earlier are subject to denial of service (DOS) attacks when using the expression evaluator.guess parameter name method. If the parser runs on user-supplied input, an attacker could supply content that causes the parser to crash due to a stack overflow. NOTE: this is disputed by multiple parties because Janino is not intended for use with untrusted input.","published":"2023-06-01T00:00:00Z","modified":"2026-08-12T03:51:15.493093746Z","cvss":{"score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"epss":{"score":0.0033,"percentile":0.25631,"asOf":"2026-09-03"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"org.codehaus.janino:janino-parent","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://janino-compiler.github.io/janino/#security"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33546.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33546"},{"type":"REPORT","url":"https://github.com/janino-compiler/janino/issues/201"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:15.493093746Z"}}