wikimedia/mediawiki · Security

Wikimedia Potential DOS due to slow WatchedItemStore::countVisitingWatchersMultiple

GHSA ID
GHSA-33xw-x3pr-rvqj
CVE ID
CVE-2019-12473
Severity
high
Published
Updated
CVSS
7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3
7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

CWEs

References