1. Ubuntu Security Notices
  2. USN-4501-1

USN-4501-1: LuaJIT vulnerability

Publication date

15 September 2020

Overview

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

Releases

Packages

  • 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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial 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

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References

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