CVE-2021-44647
Published: January 11, 2022Last modified: November 8, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | lua5.4 | Not affected (5.4.6-r0) |
| Stream | lua5.4 | Not affected (5.4.6-r1) |
References
- http://lua-users.org/lists/lua-l/2021-11/msg00195.html
- http://lua-users.org/lists/lua-l/2021-11/msg00204.html
- https://access.redhat.com/security/cve/cve-2021-44647
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
- https://security.gentoo.org/glsa/202305-23