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Vulnerability of Perl Core: buffer overflow via S_regatom

Synthesis of the vulnerability 

An attacker can generate a buffer overflow via S_regatom() of Perl Core, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Debian, Fedora, Kubernetes, Snap Creator Framework, OpenBSD, openSUSE Leap, Oracle DB, Solaris, Perl Core, RHEL, SLES, Ubuntu.
Severity of this announce: 2/4.
Creation date: 30/11/2018.
Références of this computer vulnerability: bulletinapr2019, cpujul2020, CVE-2018-18314, DSA-4347-1, FEDORA-2018-9dbe983805, FEDORA-2018-ca03363d57, NTAP-20190221-0003, openSUSE-SU-2018:4258-1, RHSA-2019:0001-01, RHSA-2019:0010-01, SUSE-SU-2018:4187-1, USN-3834-1, USN-3834-2, VIGILANCE-VUL-27919.

Description of the vulnerability 

An attacker can generate a buffer overflow via S_regatom() of Perl Core, in order to trigger a denial of service, and possibly to run code.
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This vulnerability impacts software or systems such as Debian, Fedora, Kubernetes, Snap Creator Framework, OpenBSD, openSUSE Leap, Oracle DB, Solaris, Perl Core, RHEL, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this security announce is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer vulnerability note.

Solutions for this threat 

Perl Core: version 5.26.3.
The version 5.26.3 is fixed:
  https://www.perl.org/

Debian 9: new perl packages.
New packages are available:
  Debian 9: perl 5.24.1-3+deb9u5

Fedora: new perl packages.
New packages are available:
  Fedora 28: perl 5.26.3-415.fc28
  Fedora 29: perl 5.28.1-425.fc29

Kubernetes: version 1.12.10.
The version 1.12.10 is fixed:
  https://github.com/kubernetes/kubernetes/releases/tag/v1.12.10

Kubernetes: version 1.13.8.
The version 1.13.8 is fixed:
  https://github.com/kubernetes/kubernetes/releases/tag/v1.13.8

Kubernetes: version 1.14.4.
The version 1.14.4 is fixed:
  https://github.com/kubernetes/kubernetes/releases/tag/v1.14.4

OpenBSD: patch for Perl.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/024_perl.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/005_perl.patch.sig

openSUSE Leap 15.0: new perl packages.
New packages are available:
  openSUSE Leap 15.0: perl 5.26.1-lp150.6.6.1

Oracle Database: CPU of July 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2664876.1

Oracle Solaris: patch for third party software of April 2019 v1.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 7: new rh-perl526-perl packages.
New packages are available:
  RHEL 7: rh-perl526-perl 5.26.3-405.el7

RHEL: new rh-perl524-perl packages.
New packages are available:
  RHEL 6: rh-perl524-perl 5.24.0-381.el6
  RHEL 7: rh-perl524-perl 5.24.0-381.el7

SUSE LE 15: new perl packages.
New packages are available:
  SUSE LE 15 RTM: perl 5.26.1-7.6.1

Ubuntu: new perl packages.
New packages are available:
  Ubuntu 18.10: perl 5.26.2-7ubuntu0.1
  Ubuntu 18.04 LTS: perl 5.26.1-6ubuntu0.3
  Ubuntu 16.04 LTS: perl 5.22.1-9ubuntu0.6
  Ubuntu 14.04 LTS: perl 5.18.2-2ubuntu1.7
  Ubuntu 12.04 ESM: perl 5.14.2-6ubuntu2.9
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