{"cve":"CVE-2014-1439","nvd":{"published":"2014-02-05T19:55:28.873","modified":"2026-06-17T00:04:53.633","status":"Modified","description":"The libxml_disable_entity_loader function in runtime/ext/ext_simplexml.cpp in HipHop Virtual Machine for PHP (HHVM) before 2.4.0 and 2.3.x before 2.3.3 does not properly disable a certain libxml handler, which allows remote attackers to conduct XML External Entity (XXE) attacks.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.hhvm.com/blog/3287/hhvm-2-4-0","https://exchange.xforce.ibmcloud.com/vulnerabilities/90979","https://github.com/facebook/hhvm/commit/95f96e7287effe2fcdfb9a5338d1a7e4f55b083b","http://www.hhvm.com/blog/3287/hhvm-2-4-0","https://exchange.xforce.ibmcloud.com/vulnerabilities/90979"],"products":["hiphop_virtual_machine_for_php_project:hiphop_virtual_machine_for_php"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2014-1439","score":0.01458,"percentile":0.73534,"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."]}