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Vulnerability of Lua: use after free via lua_upvaluejoin

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via lua_upvaluejoin() of Lua, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Fedora, openSUSE Leap, Solaris, RHEL, SLES, Ubuntu.
Severity of this announce: 2/4.
Creation date: 30/01/2019.
Références of this computer vulnerability: bulletinoct2020, CVE-2019-6706, FEDORA-2019-ee57bda7ae, openSUSE-SU-2019:0175-1, RHSA-2019:3706-01, SUSE-SU-2019:0247-1, USN-3941-1, VIGILANCE-VUL-28399.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via lua_upvaluejoin() of Lua, in order to trigger a denial of service, and possibly to run code.
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This vulnerability announce impacts software or systems such as Fedora, openSUSE Leap, Solaris, RHEL, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity threat 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 threat bulletin.

Solutions for this threat 

Fedora 29: new lua packages.
New packages are available:
  Fedora 29: lua 5.3.5-3.fc29

openSUSE Leap 15.0: new lua53 packages.
New packages are available:
  openSUSE Leap 15.0: lua53 5.3.4-lp150.2.3.1

Oracle Solaris: patch for third party software of October 2020 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 8: new lua packages.
New packages are available:
  RHEL 8: lua 5.3.4-11.el8

SUSE LE 15: new lua53 packages.
New packages are available:
  SUSE LE 15 RTM: lua53 5.3.4-3.3.2

Ubuntu: new lua5.3 packages.
New packages are available:
  Ubuntu 18.10: lua5.3 5.3.3-1ubuntu0.18.10.1
  Ubuntu 18.04 LTS: lua5.3 5.3.3-1ubuntu0.18.04.1
  Ubuntu 16.04 LTS: lua5.3 5.3.1-1ubuntu2.1

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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