Vulnerability DatabaseCVE-2020-24370
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CVE-2020-24370
Published:August 17, 2020
Updated:May 17, 2026
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).
Related Resources (10)
https://security-tracker.debian.org/tracker/CVE-2020-24370
https://access.redhat.com/security/cve/CVE-2020-24370
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
http://lua-users.org/lists/lua-l/2020-07/msg00324.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Integer Underflow (Wrap or Wraparound)
CWE-191
EPSS
Base Score:
2.02