CVE-2021-44647 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://lua-users.org/lists/lua-l/2021-11/msg00204.html http://lua-users.org/lists/lua-l/2021-11/msg00195.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ https://access.redhat.com/security/cve/cve-2021-44647

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5