MEDIUM
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.
http://seclists.org/fulldisclosure/2019/Mar/49
http://www.securitytracker.com/id/1042181
https://access.redhat.com/errata/RHSA-2019:0001
https://access.redhat.com/errata/RHSA-2019:0010
https://bugzilla.redhat.com/show_bug.cgi?id=1646738
https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62
https://metacpan.org/changes/release/SHAY/perl-5.26.3
https://rt.perl.org/Ticket/Display.html?id=133192
https://seclists.org/bugtraq/2019/Mar/42
https://security.gentoo.org/glsa/201909-01
https://security.netapp.com/advisory/ntap-20190221-0003/
https://support.apple.com/kb/HT209600
https://usn.ubuntu.com/3834-1/
Source: MITRE
Published: 2018-12-07
Updated: 2019-09-06
Type: CWE-125
Base Score: 6.4
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P
Impact Score: 4.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Impact Score: 5.2
Exploitability Score: 3.9
Severity: CRITICAL