[pkg-lua-devel] Bug#1034846: lua5.2: CVE-2021-43519

[Moritz Mühlenhoff]

Source: lua5.2
X-Debbugs-CC: team at security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerability was published for lua5.2.

CVE-2021-43519[0]:
| Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4
| allows attackers to perform a Denial of Service via a crafted script
| file.

http://lua-users.org/lists/lua-l/2021-10/msg00123.html
http://lua-users.org/lists/lua-l/2021-11/msg00015.html
Fixed by: https://github.com/lua/lua/commit/74d99057a5146755e737c479850f87fd0e3b6868


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-43519
    https://www.cve.org/CVERecord?id=CVE-2021-43519

Please adjust the affected versions in the BTS as needed.