{"cve":"CVE-2025-66453","nvd":{"published":"2025-12-03T20:16:26.897","modified":"2026-10-18T17:10:00.110","status":"Analyzed","description":"Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float poing number into the toFixed() function, it might lead to high CPU consumption and a potential Denial of Service. Small numbers go through this call stack: NativeNumber.numTo > DToA.JS_dtostr > DToA.JS_dtoa > DToA.pow5mult where pow5mult attempts to raise 5 to a ridiculous power. This vulnerability is fixed in 1.8.1, 1.7.15.1, and 1.7.14.1.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","score":5.5},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/mozilla/rhino/security/advisories/GHSA-3w8q-xq97-5j7x"],"products":["mozilla:rhino"],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2025-66453","score":0.00271,"percentile":0.19183,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-3w8q-xq97-5j7x","url":"https://osv.dev/vulnerability/GHSA-3w8q-xq97-5j7x","summary":"Rhino has high CPU usage and potential DoS when passing specific numbers to `toFixed()` function","modified":"2025-12-05T12:28:14.329367Z","packages":[{"ecosystem":"Maven","name":"org.mozilla:rhino","purl":"pkg:maven/org.mozilla/rhino","ranges":["<1.7.14.1"],"fixed":["1.7.14.1"]},{"ecosystem":"Maven","name":"org.mozilla:rhino","purl":"pkg:maven/org.mozilla/rhino","ranges":[">=1.7.15 <1.7.15.1"],"fixed":["1.7.15.1"]},{"ecosystem":"Maven","name":"org.mozilla:rhino","purl":"pkg:maven/org.mozilla/rhino","ranges":[">=1.8.0 <1.8.1"],"fixed":["1.8.1"]}]}],"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."]}