CVE-2021-44647

MEDIUM

Lua - Type Confusion

Title source: rule

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.

Core 5

Core References

Mailing List, Third Party Advisory vendor-advisory

Third Party Advisory vendor-advisory

Exploit, Mailing List, Vendor Advisory

Mailing List, Patch, Vendor Advisory

Third Party Advisory

CVSS v3 5.5

EPSS 0.0003

EPSS Percentile 9.4%

Attack Vector LOCAL

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

CWE

CWE-843

Status published

Products (2)

fedoraproject/fedora 34

lua/lua 5.4.3

Published Jan 11, 2022

Tracked Since Feb 18, 2026