Use After Free Affecting lua-libs package, versions <0:5.4.4-2.el9_1


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.99% (58th percentile)

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  • Snyk IDSNYK-ALMALINUX9-LUALIBS-5607661
  • published28 May 2023
  • disclosed28 Feb 2023

Introduced: 28 Feb 2023

CVE-2021-44964  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 lua-libs to version 0:5.4.4-2.el9_1 or higher.
This issue was patched in ALSA-2023:0957.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lua-libs package and not the lua-libs package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file.

CVSS Base Scores

version 3.1