Access of Resource Using Incompatible Type ('Type Confusion') Affecting lua5.4 package, versions <5.4.4-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LUA54-2347981
  • published20 Jan 2022
  • disclosed11 Jan 2022

Introduced: 11 Jan 2022

CVE-2021-44647  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade Debian:unstable lua5.4 to version 5.4.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lua5.4 package and not the lua5.4 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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 Scores

version 3.1