CVE-2025-67482

Lua segfault in unpack()

LOW

1.7

CVSS Score

Published: February 3, 2026 at 01:28 AM UTC

Updated: June 17, 2026 at 09:57 AM UTC

2 products affected across 1 vendorScribuntoLuaSandbox

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Severity

LOW1.7

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

LuaSandbox · Wikimedia

60%

v < fea2304f8f6ab30314369a612f4f5b165e68e95a

Scribunto · Wikimediamediawiki

60%

v < 1.39.16, 1.43.6, 1.44.3, 1.45.1

Affected range stops below 1.39.16, 1.43.6, 1.44.3, 1.45.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://phabricator.wikimedia.org/T408135

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

1.7LOWwikimedia-foundation

Vector?

Quick Info

StatusDEFERRED

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