Vulnerabilities > CVE-2021-44647 - Type Confusion vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| OS | 1 |
Common Weakness Enumeration (CWE)
References
- http://lua-users.org/lists/lua-l/2021-11/msg00195.html
- http://lua-users.org/lists/lua-l/2021-11/msg00195.html
- http://lua-users.org/lists/lua-l/2021-11/msg00204.html
- http://lua-users.org/lists/lua-l/2021-11/msg00204.html
- https://access.redhat.com/security/cve/cve-2021-44647
- https://access.redhat.com/security/cve/cve-2021-44647
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
- https://security.gentoo.org/glsa/202305-23
- https://security.gentoo.org/glsa/202305-23