CVE-2022-28805

PoC ×3—

CVSS 3.1

9.1 critical

EPSS

3%p87

Published

Apr 8, 2022 (Apr 8, 2022)

Modified

Jun 17, 2026

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.

Vendors: lua fedoraproject
Products: lua, fedora
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (3.0%)

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