The SkATan2_255 function in effects/gradients/SkSweepGradient.cpp in Skia, as used in Google Chrome before 49.0.2623.75, mishandles arctangent calculations, which allows remote attackers to obtain sensitive information via a crafted web site.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-1637.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "48.0.2564.116" } ] } ]