CVE-2022-28805
CRITICAL9.1EPSS 0.18%Published: 4/8/2022Modified: 12/3/2025
Also known as:ALPINE-CVE-2022-28805
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.
Affected packages (3)
- Alpine/lua5.4from 0, < 5.4.3-r1
- Bitnami/lua>= 5.4.0, < 5.4.5
- Debian/lua5.4from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
References (10)
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2022-28805
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2022-28805
- WEBhttps://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
- WEBhttps://lua-users.org/lists/lua-l/2022-02/msg00001.html
- WEBhttps://lua-users.org/lists/lua-l/2022-02/msg00070.html
- WEBhttps://lua-users.org/lists/lua-l/2022-04/msg00009.html
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2022-28805
- WEBhttps://security.gentoo.org/glsa/202305-23