CVEvulnerability
CVE-2021-44647
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-01-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-843
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.
Affected configurations
• lua lua 5.4.3
• fedoraproject fedora 34
Related
Weakness · CWE (1)
- CWE-843 Access of Resource Using Incompatible Type weakness
References
- http://lua-users.org/lists/lua-l/2021-11/msg00195.html Exploit, Mailing List, Vendor Advisory
- http://lua-users.org/lists/lua-l/2021-11/msg00204.html Mailing List, Patch, Vendor Advisory
- https://access.redhat.com/security/cve/cve-2021-44647 Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202305-23 security.gentoo.org
- http://lua-users.org/lists/lua-l/2021-11/msg00195.html Exploit, Mailing List, Vendor Advisory
- http://lua-users.org/lists/lua-l/2021-11/msg00204.html Mailing List, Patch, Vendor Advisory
- https://access.redhat.com/security/cve/cve-2021-44647 Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202305-23 security.gentoo.org