CVE-2022-33099

Public Exploit

Description

An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory lua-users.org Vendor Advisory lua-users.org Vendor Advisory lua-users.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf third party advisory patch
https://lua-users.org/lists/lua-l/2022-05/msg00035.html mailing list exploit vendor advisory
https://lua-users.org/lists/lua-l/2022-05/msg00042.html mailing list exploit vendor advisory
https://lua-users.org/lists/lua-l/2022-05/msg00073.html mailing list exploit vendor advisory
https://www.lua.org/bugs.html#Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error:~:text=Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-33099?
CVE-2022-33099 has been scored as a high severity vulnerability.
How to fix CVE-2022-33099?
To fix CVE-2022-33099, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-33099 being actively exploited in the wild?
It is possible that CVE-2022-33099 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.