{"cve":"CVE-2011-1944","nvd":{"published":"2011-09-02T16:55:03.553","modified":"2026-06-16T23:30:26.423","status":"Modified","description":"Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4","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","http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062238.html"],"products":["xmlsoft:libxml","xmlsoft:libxml2"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1944","score":0.13432,"percentile":0.96427,"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."]}