Multiple use-after-free vulnerabilities in core/html/HTMLInputElement.cpp in the DOM implementation in Blink, as used in Google Chrome before 41.0.2272.76, allow remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that trigger extraneous change events, as demonstrated by events for invalid input or input to read-only fields, related to the initializeTypeInParsing and updateType functions.