luajit vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

* Ubuntu 16.04 LTS

Summary

LuaJIT could be made crash or expose sensitive information if it
received specially crafted input.

Software Description

* luajit - Just in time compiler for Lua programming language
version 5.1

Details

It was discovered that an out-of-bounds read existed in LuaJIT. An
attacker could use this to cause a denial of service (application
crash) or possibly expose sensitive information. (CVE-2020-15890)

Update instructions

The problem can be corrected by updating your system to the
following package versions:

Ubuntu 16.04 LTS
libluajit-5.1-2 - 2.0.4+dfsg-1+deb9u1build0.16.04.1
libluajit-5.1-common - 2.0.4+dfsg-1+deb9u1build0.16.04.1
libluajit-5.1-dev - 2.0.4+dfsg-1+deb9u1build0.16.04.1
luajit - 2.0.4+dfsg-1+deb9u1build0.16.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary
changes.

References

* CVE-2020-15890

--- Mystic BBS v1.12 A45 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)