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CVE-2020-24370
Component Overview
Vulnerability Overview
Name
CVE-2020-24370
Source
NVD (
link
)
Debian (
link
)
Description
ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).
CWEs
CWE-191
Published Date
Aug 17, 2020
Updated Date
Jun 17, 2026
Workaround
-
Advisories
http://lua-users.org/lists/lua-l/2020-07/msg00324.html
Exploit
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b
Patch
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html
Mailing List
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
Third Party Advisory
http://lua-users.org/lists/lua-l/2020-07/msg00324.html
Exploit
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b
Patch
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html
Mailing List
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
Third Party Advisory
Analysis
#
Affected Component
Analysis
lua5.3
Exploitable
Vulnerability Ratings
#
5.3
CVSSv31
5
CVSSv2
Others affected components
#
Name
Project
Project Version
Version
Status
lua
buildroot
2025.02.x
5.1.5
Not Affected
lua
buildroot
master
5.1.5
Not Affected
lua
openwrt
openwrt-25.12
5.1.5-r11
Not Affected
lua5.3
openwrt
openwrt-25.12
5.3.5-r6
Exploitable
lua5.4
openwrt
openwrt-25.12
5.4.7-r1
Not Affected
lua
yocto
kirkstone
5.4.4
Not Affected
lua
yocto
master
5.5.0
Not Affected
lua
yocto
scarthgap
5.4.6
Not Affected