[pkg-lua-devel] Bug#971012: lua5.4: CVE-2020-24342

[Salvatore Bonaccorso]

Source: lua5.4
Version: 5.4.0-2
Severity: important
Tags: security upstream fixed-upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for lua5.4.

CVE-2020-24342[0]:
| Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring
| because a protection mechanism wrongly calls luaD_callnoyield twice in
| a row.


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-2020-24342
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24342
[1] https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27

Regards,
Salvatore