Debian Security Advisory

DLA-2381-1 lua5.3 -- LTS security update

Date Reported:
26 Sep 2020
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2020-24370.
More information:

A vulnerability was discovered in lua5.3, a simple, extensible, embeddable programming language whereby a negation overflow and segmentation fault could be triggered in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

For Debian 9 stretch, this problem has been fixed in version 5.3.3-1+deb9u1.

We recommend that you upgrade your lua5.3 packages.

For the detailed security status of lua5.3 please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: