CVE-2020-12723 – regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted re

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12723

Reference (s):

• https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
• URL: https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
• https://github.com/Perl/perl5/compare/v5.30.2 v5.30.3
• URL: https://github.com/Perl/perl5/compare/v5.30.2 v5.30.3
• https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a