{"cve":"CVE-2026-41080","nvd":{"published":"2026-04-16T17:16:54.917","modified":"2026-07-14T13:18:51.257","status":"Modified","description":"libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":2.9},"cwes":["CWE-331"],"references":["https://blog.hartwork.org/posts/expat-2-8-0-released/","https://github.com/libexpat/libexpat/issues/47","https://github.com/libexpat/libexpat/pull/1183","https://www.openwall.com/lists/oss-security/2026/04/26/1","http://www.openwall.com/lists/oss-security/2026/04/26/1"],"products":["libexpat_project:libexpat"],"source":"nvd","synced_at":"2026-10-19T22:30:49.762551342+00:00"},"epss":{"cve":"CVE-2026-41080","score":0.00398,"percentile":0.34056,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}