{"cve":"CVE-2014-6228","nvd":{"published":"2014-12-28T15:59:03.050","modified":"2026-06-17T00:12:44.533","status":"Modified","description":"Integer overflow in the string_chunk_split function in hphp/runtime/base/zend-string.cpp in Facebook HipHop Virtual Machine (HHVM) before 3.3.0 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted arguments to the chunk_split function.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["https://github.com/facebook/hhvm/commit/1f91e076a585118495b976a413c1df40f6fd3d41","https://github.com/facebook/hhvm/commit/1f91e076a585118495b976a413c1df40f6fd3d41"],"products":["facebook:hiphop_virtual_machine"],"source":"nvd","synced_at":"2026-10-19T20:34:45.729216538+00:00"},"epss":{"cve":"CVE-2014-6228","score":0.01934,"percentile":0.8005,"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."]}