CVE-2021-45985 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Lua	Lua

Configuration 1 [-]

cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
http://lua-users.org/lists/lua-l/2021-12/msg00019.html
https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5
https://nvd.nist.gov/vuln/detail/CVE-2021-45985
https://www.cve.org/CVERecord?id=CVE-2021-45985
https://www.lua.org/bugs.html#5.4.3-11

History

Fri, 25 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
CPEs	cpe:2.3:a:lua:lua:5.4.3:::::::*	cpe:2.3:a:lua:lua::::::::

Wed, 12 Feb 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-04-10T00:00:00.000Z

Updated: 2025-02-12T16:02:20.735Z

Reserved: 2022-01-03T00:00:00.000Z

Link: CVE-2021-45985

Vulnrichment

Updated: 2024-08-04T04:54:31.069Z

NVD

Status : Analyzed

Published: 2023-04-10T09:15:07.250

Modified: 2025-04-25T18:54:09.817

Link: CVE-2021-45985

Redhat

Severity : Moderate

Publid Date: 2023-04-10T00:00:00Z

Links: CVE-2021-45985 - Bugzilla

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