CVE-2015-4590
The extractFrom function in Internals/QuotedString.cpp in Arduino JSON before 4.5 allows remote attackers to cause a denial of service (crash) via a JSON string with a (backslash) followed by a terminator, as demonstrated by "\ ", which triggers a buffer overflow and over-read.
Date published : 2015-06-22
http://www.securityfocus.com/bid/75150
https://github.com/bblanchon/ArduinoJson/blob/master/CHANGELOG.md