CVE-2025-67482: Lua segfault in unpack()

Published Feb 3, 2026
·
Updated

Vulnerability in Wikimedia Foundation Scribunto, Wikimedia Foundation luasandbox. This vulnerability is associated with program files includes/Engines/LuaCommon/lualib/mwInit.Lua, library.C.

This issue affects Scribunto: from before 1.39.16, 1.43.6, 1.44.3, 1.45.1; luasandbox: from before fea2304f8f6ab30314369a612f4f5b165e68e95a.

Affected Software

2 affected components
Wikimedia Foundation Scribunto>1.39.16, <1.43.6, <1.44.3, <1.45.1
Wikimedia Foundation luasandbox<fea2304f8f6ab30314369a612f4f5b165e68e95a

Event History

Feb 3, 2026
CVE Published
via MITRE·01:28 AM
Data Sourced
via MITRE·01:28 AM
Description
Data Sourced
via NVD·02:16 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2025-67482?

CVE-2025-67482 has been classified with a medium severity due to the potential for a segmentation fault in the vulnerable versions of Scribunto and luasandbox.

2

How do I fix CVE-2025-67482?

To mitigate CVE-2025-67482, upgrade to Scribunto version 1.39.16 or newer, or update luasandbox to version feat2304f8f6ab30314369a612f4f5b165e68e95a or newer.

3

Which versions are affected by CVE-2025-67482?

CVE-2025-67482 affects Scribunto versions before 1.39.16, 1.43.6, 1.44.3, and 1.45.1, as well as specified versions of luasandbox.

4

What are the implications of exploiting CVE-2025-67482?

Exploitation of CVE-2025-67482 may lead to application crashes and disruptions due to segmentation faults in the affected components.

5

Is CVE-2025-67482 specific to any software?

Yes, CVE-2025-67482 specifically affects Wikimedia Foundation's Scribunto and luasandbox libraries.

Contact

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