USN-6916-1: Lua vulnerabilities

29 July 2024

Several security issues were fixed in Lua.

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Releases

Packages

  • lua5.4 - Simple, extensible, embeddable programming language

Details

It was discovered that Lua did not properly generate code when "_ENV" is
constant. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary unstrusted lua code. (CVE-2022-28805)

It was discovered that Lua did not properly handle C stack overflows during
error handling. An attacker could possibly use this issue to cause a denial
of service. (CVE-2022-33099)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 22.04

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

References

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Further reading