CVE-2022-28805
CRITICAL 9.1EPSS 3.0%
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.
- CVSS v3.1
- 9.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - CVSS v2.0
- 6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P - EPSS
- 3.00% chance of exploitation in the next 30 days, 86th percentile
- Published
- 2022-04-08
- Updated
- 2024-08-03
Proof-of-concept exploits (3)
- 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