{"cve":"CVE-2023-33546","nvd":{"published":"2023-06-01T13:15:10.743","modified":"2026-06-17T06:01:54.307","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-787"],"references":["https://github.com/janino-compiler/janino/issues/201","https://janino-compiler.github.io/janino/#security","https://github.com/janino-compiler/janino/issues/201","https://janino-compiler.github.io/janino/#security"],"products":["janino_project:janino"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-33546","score":0.0033,"percentile":0.26188,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-gcg6-xv4f-f749","url":"https://osv.dev/vulnerability/GHSA-gcg6-xv4f-f749","summary":"janino vulnerable to denial of service due to stack overflow","modified":"2024-02-16T08:14:09.458083Z","packages":[{"ecosystem":"Maven","name":"org.codehaus.janino:janino-parent","purl":"pkg:maven/org.codehaus.janino/janino-parent","ranges":["<=3.1.9"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}