{"cve":"CVE-2011-2821","nvd":{"published":"2011-08-29T15:55:01.627","modified":"2026-06-16T23:32:03.587","status":"Modified","description":"Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted XPath expression.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-415"],"references":["http://code.google.com/p/chromium/issues/detail?id=89402","http://googlechromereleases.blogspot.com/2011/08/stable-channel-update_22.html","http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041","http://lists.apple.com/archives/security-announce/2012/May/msg00001.html","http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html"],"products":["apple:iphone_os","apple:mac_os_x","debian:debian_linux","google:chrome","redhat:enterprise_linux_desktop","redhat:enterprise_linux_eus","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2821","score":0.01693,"percentile":0.77123,"date":"2026-10-31"},"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."]}