{"cve":"CVE-2012-5134","nvd":{"published":"2012-11-28T01:55:01.323","modified":"2026-06-16T23:46:18.300","status":"Modified","description":"Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://git.gnome.org/browse/libxml2/commit/?id=6a36fbe3b3e001a8a840b5c1fdd81cefc9947f0d","http://googlechromereleases.blogspot.com/2012/11/stable-channel-update.html","http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html","http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html","http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00004.html"],"products":["apple:iphone_os","google:chrome","xmlsoft:libxml2"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-5134","score":0.04382,"percentile":0.9129,"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."]}