CVE-2020-24370
MEDIUM
5.3
CVSS Score
Published: August 17, 2020 at 12:00 AM UTC
Updated: June 17, 2026 at 03:05 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraLua
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Severity
MEDIUM5.3
Exploit prediction
EPSS 4%
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).
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory 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/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
References (6)
ExploitMailing ListVendor Advisory
Source: [email protected]
http://lua-users.org/lists/lua-l/2020-07/msg00324.htmlPatchThird Party Advisory
Source: [email protected]
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7bMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.htmlMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.htmlVendor AdvisoryThird Party Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/Vendor AdvisoryThird Party Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusANALYZED
CWE
CWE-191
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