{ "CVE_data_meta": { "ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNED": "2018-12-11", "ID": "CVE-2018-6345", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "HHVM", "version": { "version_data": [ { "version_affected": "!=>", "version_value": "3.30.2" }, { "version_affected": ">=", "version_value": "3.30.0" }, { "version_affected": "!=>", "version_value": "3.27.6" }, { "version_affected": "<", "version_value": "3.27.6" } ] } } ] }, "vendor_name": "Facebook" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The function number_format is vulnerable to a heap overflow issue when its second argument ($dec_points) is excessively large. The internal implementation of the function will cause a string to be created with an invalid length, which can then interact poorly with other functions. This affects all supported versions of HHVM (3.30.1 and 3.27.5 and below)." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Heap-based Buffer Overflow (CWE-122)" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/facebook/hhvm/commit/190ffdf6c8b1ec443be202c7d69e63a7e3da25e3", "refsource": "MISC", "url": "https://github.com/facebook/hhvm/commit/190ffdf6c8b1ec443be202c7d69e63a7e3da25e3" }, { "name": "https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html", "refsource": "MISC", "url": "https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html" } ] } }