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Status published
Medium
CVE-2021-44647
Lua v5.4.3 and above are affected by SEGV by type...
Vulnerability Description
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
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/2021-11/msg00195.html
- http://lua-users.org/lists/lua-l/2021-11/msg00204.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
- https://access.redhat.com/security/cve/cve-2021-44647
- https://security.gentoo.org/glsa/202305-23
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Affected Vendor
Affected Software
lua, fedora
Vulnerable Versions:
5.4.3, 34
Timeline
Official Publish:
January 11th, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.