Bug 905319 (CVE-2021-45985)

Summary:	dev-lang/lua: heap buffer overread
Product:	Gentoo Security	Reporter:	John Helmert III <ajak>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	CONFIRMED ---
Severity:	minor	CC:	robbat2, williamh
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:	B4 [??]
Package list:		Runtime testing required:	---

Description John Helmert III archtester

2023-04-29 19:20:47 UTC

CVE-2021-45985 (https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5):

In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.

Patch is in 5.4.4. Are previous branches affected?