CVE-2021-44647

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-843

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lua-users.org/lists/lua-l/2021-11/msg00195.htmlExploit, Mailing List, Vendor Advisory
http://lua-users.org/lists/lua-l/2021-11/msg00204.htmlMailing List, Patch, Vendor Advisory
https://access.redhat.com/security/cve/cve-2021-44647Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
https://security.gentoo.org/glsa/202305-23
http://lua-users.org/lists/lua-l/2021-11/msg00195.htmlExploit, Mailing List, Vendor Advisory
http://lua-users.org/lists/lua-l/2021-11/msg00204.htmlMailing List, Patch, Vendor Advisory
https://access.redhat.com/security/cve/cve-2021-44647Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
https://security.gentoo.org/glsa/202305-23

Timeline

Published: Jan 11, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-446488.8GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF f CVE-2021-446495.4Django CMS 3.7.3 does not validate the plugin_type parameter while generating error messages for an invalid plugin type, resulting in a Cros CVE-2021-44658.7ReQuest Serious Play F3 Media Server versions 7.0.3.4968 (Pro), 7.0.2.4954, 6.5.2.4954, 6.4.2.4681, 6.3.2.4203, and 2.0.1.823 contain a remo CVE-2021-446507.2Zoho ManageEngine M365 Manager Plus before Build 4419 allows remote command execution when updating proxy settings through the Admin ProxySe CVE-2021-446518.8Zoho ManageEngine CloudSecurityPlus before Build 4117 allows remote code execution through the updatePersonalizeSettings component due to an CVE-2021-446527.8Zoho ManageEngine O365 Manager Plus before Build 4416 allows remote code execution via BCP file overwrite through the ChangeDBAPI component.CVE-2021-446539.8Online Magazine Management System 1.0 contains a SQL injection authentication bypass vulnerability. The Admin panel authentication can be by CVE-2021-446559.8Online Pre-owned/Used Car Showroom Management System 1.0 contains a SQL injection authentication bypass vulnerability. Admin panel authentic CVE-2021-446578.8In StackStorm versions prior to 3.6.0, the jinja interpreter was not run in sandbox mode and thus allows execution of unsafe system commands CVE-2021-446599.8Adding a new pipeline in GoCD server version 21.3.0 has a functionality that could be abused to do an un-intended action in order to achieve CVE-2021-44668.7IPCop versions up to and including 2.1.9 contain an authenticated remote code execution vulnerability within the web-based administration in CVE-2021-446626.1A Site Scripting (XSS) vulnerability exists in the Xerte Project Xerte through 3.8.4 via the link parameter in print.php.