CVE-2022-33099
HIGHCVSS 7.5/10EPSS 2.08%
Last modified
CVE-2022-33099 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.08% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lua | Lua | >= 5.4.2, <= 5.4.4 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
References
- https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670dafPatch, Third Party Advisory
- https://lua-users.org/lists/lua-l/2022-05/msg00035.htmlExploit, Mailing List, Vendor Advisory
- https://lua-users.org/lists/lua-l/2022-05/msg00042.htmlExploit, Mailing List, Vendor Advisory
- https://lua-users.org/lists/lua-l/2022-05/msg00073.htmlExploit, Mailing List, Vendor Advisory
- https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670dafPatch, Third Party Advisory
- https://lua-users.org/lists/lua-l/2022-05/msg00035.htmlExploit, Mailing List, Vendor Advisory
- https://lua-users.org/lists/lua-l/2022-05/msg00042.htmlExploit, Mailing List, Vendor Advisory
- https://lua-users.org/lists/lua-l/2022-05/msg00073.htmlExploit, Mailing List, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-33099?
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.
How severe is CVE-2022-33099?
CVE-2022-33099 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.08% probability of exploitation in the next 30 days.
How do I fix CVE-2022-33099?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2022-33099?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST