PERL5303DELTA(1) Perl Programmers Reference Guide PERL5303DELTA(1)

PERL5303DELTA(1) Perl Programmers Reference Guide PERL5303DELTA(1) # PERL5303DELTA(1) Perl Programmers Reference Guide PERL5303DELTA(1) NNAAMMEE # perl5303delta - what is new for perl v5.30.3 DDEESSCCRRIIPPTTIIOONN # This document describes differences between the 5.30.2 release and the 5.30.3 release. If you are upgrading from an earlier release such as 5.30.1, first read perl5302delta, which describes differences between 5.30.1 and 5.30.2. SSeeccuurriittyy [[CCVVEE--22002200--1100554433]] BBuuffffeerr oovveerrffllooww ccaauusseedd bbyy aa ccrraafftteedd rreegguullaarr eexxpprreessssiioonn A signed “size_t” integer overflow in the storage space calculations for nested regular expression quantifiers could cause a heap buffer overflow in Perl’s regular expression compiler that overwrites memory allocated after the regular expression storage space with attacker supplied data. ...