CVE-2022-28805
CVE-2022-28805
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 9.1 · Critical · EPSS 3.0% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
lua5.4 Debian:12
- Affected ranges
- ECOSYSTEM: < 5.4.4-2
Update to 5.4.4-2
lua5.4 Debian:13
- Affected ranges
- ECOSYSTEM: < 5.4.4-2
Update to 5.4.4-2
lua5.4 Debian:14
- Affected ranges
- ECOSYSTEM: < 5.4.4-2
Update to 5.4.4-2
lua5.4 Ubuntu:Pro:22.04:LTS
- Versions
- 5.4.2-2
- 5.4.3-1
- 5.4.4-1
- Affected ranges
- ECOSYSTEM: < 5.4.4-1ubuntu0.1~esm1
Update to 5.4.4-1ubuntu0.1~esm1
Original sources
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2022-28805