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Status published
Medium
CVE-2020-24370
ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation...
Vulnerability 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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lua-users.org/lists/lua-l/2020-07/msg00324.html
- https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
- https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
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Affected Vendor
Affected Software
lua, fedora, debian linux
Vulnerable Versions:
5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.3.0, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.4.0, 31, 32, 9.0
Timeline
Official Publish:
August 17th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.