The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote authenticated users to cause a denial of service via a chunk that exceeds the file size.
CVSS Details
- CVSS 3.1 Base Score: 6.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade mediawiki | Jul 30, 2024 | Nov 9, 2015 |
| Freebsd | — | Upgrade mediawiki124Upgrade mediawiki125Upgrade mediawiki123 | Dec 10, 2025 | Oct 23, 2015 |
| Mediawiki | — | Upgrade MediaWiki to the latest version | Aug 24, 2017 | Nov 9, 2015 |
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