{"id":"CVE-2019-16366","details":"In XS 9.0.0 in Moddable SDK OS180329, there is a heap-based buffer overflow in fxBeginHost in xsAPI.c when called from fxRunDefine in xsRun.c, as demonstrated by crafted JavaScript code to xst.","modified":"2026-08-13T08:29:49.318621Z","published":"2019-09-16T17:15:14.293Z","references":[{"type":"REPORT","url":"https://github.com/Moddable-OpenSource/moddable/issues/235"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/moddable-opensource/moddable","events":[{"introduced":"c87b3326497f4bbdab7c3e3d8a2c9fd8d1fc0805"},{"last_affected":"b1f42a2e148f0fc2cd91d7ed1cee56bd361656b2"}],"database_specific":{"cpe":["cpe:2.3:a:moddable:moddable:os180329:*:*:*:*:*:*:*","cpe:2.3:a:moddable:xs:9.0.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"os180329"},{"last_affected":"os180329"},{"introduced":"9.0.0"},{"last_affected":"9.0.0"}],"source":"CPE_STRING"}}],"versions":["9.0.0","os180329"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16366.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/moddable-opensource/moddable-xst","events":[{"introduced":"7d5aa5fa89e5b7f9f57acba929a392e135c2ac74"},{"last_affected":"7d5aa5fa89e5b7f9f57acba929a392e135c2ac74"}],"database_specific":{"extracted_events":[{"introduced":"9.0.0"},{"last_affected":"9.0.0"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:moddable:xs:9.0.0:*:*:*:*:*:*:*"}}],"versions":["9.0.0","v9.0.3","v9.0.2","v9.0.1","v9.0.0","v8.8.0","v8.7.0","v8.6.2","v8.6.1","v8.6.0","v8.4.1","v8.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16366.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}