CVE-2022-28805 — Out-of-bounds Read in LUA
Severity
9.1CRITICALNVD
EPSS
0.2%
top 61.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 8
Latest updateJul 29
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2
Affected Packages30 packages
Also affects: Fedora 35, 36
Patches
🔴Vulnerability Details
3📋Vendor Advisories
4Microsoft▶
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 un↗2022-04-12
Debian▶
CVE-2022-28805: lua5.1 - singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lac...↗2022