CVE-2021-44964

Summary

CVECVE-2021-44964
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-03-14 15:15:00 UTC
Updated2022-03-21 05:17:00 UTC
DescriptionUse 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.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Lua Lua All All All All

References

ReferenceSourceLinkTags
Re: Crash Analysis: Finalizer Logic in singlestep function can lead to Sandbox Escape Exploit MISC lua-users.org
Re: Crash Analysis: Finalizer Logic in singlestep function can lead to Sandbox Escape Exploit MISC lua-users.org
GitHub - Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability MISC github.com
Crash Analysis: Finalizer Logic in singlestep function can lead to Sandbox Escape Exploit MISC lua-users.org
Re: Crash Analysis: Finalizer Logic in singlestep function can lead to Sandbox Escape Exploit MISC lua-users.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160489 Oracle Enterprise Linux Security Update for lua (ELSA-2023-0957)
  • 184941 Debian Security Update for lua5.4 (CVE-2021-44964)
  • 241222 Red Hat Update for lua (RHSA-2023:0957)
  • 241261 Red Hat Update for lua (RHSA-2023:1211)
  • 901037 Common Base Linux Mariner (CBL-Mariner) Security Update for lua (9048)
  • 906948 Common Base Linux Mariner (CBL-Mariner) Security Update for lua (9048-1)
  • 940945 AlmaLinux Security Update for lua (ALSA-2023:0957)
  • 960895 Rocky Linux Security Update for lua (RLSA-2023:0957)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report