Unrated severityNVD Advisory· Published Jan 7, 2026· Updated Jan 7, 2026
VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input
CVE-2026-0668
Description
Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: = 1.45
Patches
Vulnerability mechanics
References
5- gerrit.wikimedia.org/r/q/I4ff2737c9f0ba805267d1fc8296e7cff61241ee3mitre
- gerrit.wikimedia.org/r/q/I893a9fca694a2613e29e149dea2d76d7f06063e5mitre
- gerrit.wikimedia.org/r/q/Ie08d9a8ceb2c9a22a635cfc27964353f14072dbfmitre
- gerrit.wikimedia.org/r/q/Ifbf9c2ade621226e14fe852f3217293772bf8bb8mitre
- phabricator.wikimedia.org/T387008mitre
News mentions
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