php: OOB read in grapheme_stripos and grapheme_strpos when negative offset is used

The graphemestrpos function in ext/intl/grapheme/graphemestring.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service out-of-bounds read or possibly have unspecified other impact via a negative offset...

PT-2016-2083

Name of the Vulnerable Software and Affected Versions PHP versions prior to 5.5.35 PHP versions 5.6.x prior to 5.6.21 PHP versions 7.x prior to 7.0.6 Description The issue allows remote attackers to cause a denial of service out-of-bounds read or possibly have unspecified other impact via a...