Vulnerability Description
Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lua | Lua | >= 5.1.0, < 5.3.5 |
| Fedoraproject | Fedora | 35 |
Related Weaknesses (CWE)
References
- http://lua-users.org/lists/lua-l/2021-10/msg00123.htmlExploitMailing ListVendor Advisory
- http://lua-users.org/lists/lua-l/2021-11/msg00015.htmlPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- http://lua-users.org/lists/lua-l/2021-10/msg00123.htmlExploitMailing ListVendor Advisory
- http://lua-users.org/lists/lua-l/2021-11/msg00015.htmlPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-43519?
CVE-2021-43519 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file.
How severe is CVE-2021-43519?
CVE-2021-43519 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43519?
Check the references section above for vendor advisories and patch information. Affected products include: Lua Lua, Fedoraproject Fedora.