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High 7.5
String::Util versions before 1.36 for Perl are susceptible to a regular expression denial of service
String::Util versions before 1.36 for Perl are susceptible to a regular expression denial of service. The trim and rtrim functions stripped trailing whitespace with s/\s*$//u. Because \s* matches greedily and the $ anchor fails whenever a non-whitespace chara…