Back to Database
Status published
Critical
CVE-2022-28805
singlevar in lparser.c in Lua from (including) 5.4.0 up to...
Vulnerability Description
singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-28805
Credits & Attribution
No credits recorded in the NVD database.
References
- https://lua-users.org/lists/lua-l/2022-02/msg00001.html
- https://lua-users.org/lists/lua-l/2022-02/msg00070.html
- https://lua-users.org/lists/lua-l/2022-04/msg00009.html
- https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa
- 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://security.gentoo.org/glsa/202305-23
More from lua
View All →CVE-2022-33099
An issue in the component luaG_runerror of Lua v5.4.4 and...
High
7.5
CVE-2021-45985
In Lua 5.4.3, an erroneous finalizer called during a tail...
Unknown
0
CVE-2021-44964
Use after free in garbage collector and finalizer of lgc.c...
Medium
6.3
CVE-2021-44647
Lua v5.4.3 and above are affected by SEGV by type...
Medium
5.5
CVE-2021-43519
Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4...
Medium
5.5
Affected Vendor
Affected Software
lua, fedora
Vulnerable Versions:
5.4.0, 35, 36
Timeline
Official Publish:
April 8th, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.