Vulnerability · Published Feb 3, 2026 · Assigned by wikimedia-foundation
CVE-2025-67482Lua segfault in unpack()
Low 1.7
In plain English
A low-severity security flaw in luasandbox from Wikimedia Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)1.7Low
Exploit odds (30 days)0.3%top 74.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.39.17-1~deb12u1 | DEBIAN-CVE-2025-67482 |
| Debian:12 | mediawiki | 1:1.39.17-1~deb12u1 | DSA-6085-1 |
| Debian:13 | mediawiki | 1:1.43.6+dfsg-1~deb13u1 | DSA-6085-1 |
| Debian:13 | mediawiki | 1:1.43.6+dfsg-1~deb13u1 | DEBIAN-CVE-2025-67482 |
| Debian:14 | mediawiki | 1:1.43.6+dfsg-1 | DEBIAN-CVE-2025-67482 |
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2025-67482 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2025-67482 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2025-67482 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wikimedia Foundation | Scribunto | * – before 1.39.16, 1.43.6, 1.44.3, 1.45.1 |
| Wikimedia Foundation | luasandbox | * – before fea2304f8f6ab30314369a612f4f5b165e68e95a |