CVE-2022-33099
HIGH
Published Jul 1, 20224y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
Published Jul 1, 2022 4y ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
Public Exploit Known
Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 3
| Vendor | Product | Version | Range |
|---|---|---|---|
| lua | lua | * | ≥5.4.2 – ≤5.4.4 |
| fedoraproject | fedora | 35 | any |
| fedoraproject | fedora | 36 | any |
References 7
- github.com https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
- lua-users.org https://lua-users.org/lists/lua-l/2022-05/msg00035.html
- lua-users.org https://lua-users.org/lists/lua-l/2022-05/msg00042.html
- lua-users.org https://lua-users.org/lists/lua-l/2022-05/msg00073.html
- lua.org 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
Remediation
- github.com https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf