What’s Vulnerable › Vulnerabilities
CVE-2022-33099
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-07-01 · updated 2026-06-17
- Weakness: CWE-787
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.
Affected products
- Fedoraproject Fedora: 35, 36
- Lua: from 5.4.2 through 5.4.4
References
- https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
- https://lua-users.org/lists/lua-l/2022-05/msg00035.html
- https://lua-users.org/lists/lua-l/2022-05/msg00042.html
- https://lua-users.org/lists/lua-l/2022-05/msg00073.html
- 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://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
- https://lua-users.org/lists/lua-l/2022-05/msg00035.html
- https://lua-users.org/lists/lua-l/2022-05/msg00042.html
Get alerted when CVE-2022-33099 or the next vulnerability affects your stack