{"cve":"CVE-2021-41497","nvd":{"published":"2021-12-17T21:15:07.663","modified":"2026-06-17T04:08:34.137","status":"Modified","description":"Null pointer reference in CMS_Conservative_increment_obj in RaRe-Technologies bounter version 1.01 and 1.10, allows attackers to conduct Denial of Service attacks by inputting a huge width of hash bucket.","cvss_v4":null,"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-476"],"references":["https://github.com/RaRe-Technologies/bounter/issues/47","https://github.com/RaRe-Technologies/bounter/issues/47"],"products":["rare-technologies:bounter"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-41497","score":0.01071,"percentile":0.64891,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-74xw-gwfm-7pv7","url":"https://osv.dev/vulnerability/GHSA-74xw-gwfm-7pv7","summary":"bounter Null pointer reference","modified":"2024-11-22T05:12:10.106434Z","packages":[{"ecosystem":"PyPI","name":"bounter","purl":"pkg:pypi/bounter","ranges":["<=1.2.0"],"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."]}