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).
Exploits (2)
References (6)
Core 6
Core References
Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html
Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
Exploit, Mailing List, Vendor Advisory
http://lua-users.org/lists/lua-l/2020-07/msg00324.html
Patch, Third Party Advisory
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b
Scores
CVSS v3
5.3
EPSS
0.0202
EPSS Percentile
83.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Details
CWE
CWE-191
Status
published
Products (14)
debian/debian_linux
9.0
fedoraproject/fedora
31
fedoraproject/fedora
32
lua/lua
5.2.0 (3 CPE variants)
lua/lua
5.2.1
lua/lua
5.2.2
lua/lua
5.2.3
lua/lua
5.3.0 (3 CPE variants)
lua/lua
5.3.1
lua/lua
5.3.2
... and 4 more
Published
Aug 17, 2020
Tracked Since
Feb 18, 2026