Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
seclists.org/fulldisclosure/2019/Mar/49
www.securityfocus.com/bid/106145
www.securitytracker.com/id/1042181
access.redhat.com/errata/RHBA-2019:0327
access.redhat.com/errata/RHSA-2019:0001
access.redhat.com/errata/RHSA-2019:0010
access.redhat.com/errata/RHSA-2019:0109
access.redhat.com/errata/RHSA-2019:1790
access.redhat.com/errata/RHSA-2019:1942
access.redhat.com/errata/RHSA-2019:2400
bugzilla.redhat.com/show_bug.cgi?id=1646730
github.com/Perl/perl5/commit/34716e2a6ee2af96078d62b065b7785c001194be
kc.mcafee.com/corporate/index?page=content&id=SB10278
lists.debian.org/debian-lts-announce/2018/11/msg00039.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
metacpan.org/changes/release/SHAY/perl-5.26.3
metacpan.org/changes/release/SHAY/perl-5.28.1
rt.perl.org/Ticket/Display.html?id=133204
seclists.org/bugtraq/2019/Mar/42
security.gentoo.org/glsa/201909-01
security.netapp.com/advisory/ntap-20190221-0003/
support.apple.com/kb/HT209600
usn.ubuntu.com/3834-1/
usn.ubuntu.com/3834-2/
www.debian.org/security/2018/dsa-4347
www.oracle.com/security-alerts/cpuapr2020.html
www.oracle.com/security-alerts/cpujul2020.html
www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html