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Bug 905319 (CVE-2021-45985) - dev-lang/lua: heap buffer overread
Summary: dev-lang/lua: heap buffer overread
Alias: CVE-2021-45985
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
Whiteboard: B4 [??]
Depends on:
Reported: 2023-04-29 19:20 UTC by John Helmert III
Modified: 2023-04-29 19:20 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-04-29 19:20:47 UTC
CVE-2021-45985 (

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?