BIT-MEDIAWIKI-2022-34750

An issue was discovered in MediaWiki through 1.38.1. The lemma length of a Wikibase lexeme is currently capped at a thousand characters. Unfortunately, this length is not validated, allowing much larger lexemes to be created, which introduces various denial-of-service attack vectors within the...

CVE-2022-34750

An issue was discovered in MediaWiki through 1.38.1. The lemma length of a Wikibase lexeme is currently capped at a thousand characters. Unfortunately, this length is not validated, allowing much larger lexemes to be created, which introduces various denial-of-service attack vectors within the...

Code injection

An issue was discovered in MediaWiki through 1.38.1. The lemma length of a Wikibase lexeme is currently capped at a thousand characters. Unfortunately, this length is not validated, allowing much larger lexemes to be created, which introduces various denial-of-service attack vectors within the...

CVE-2022-34750

CVE-2022-34750 : PT and vendor docs show a Wikibase/MediaWiki DoS issue due to unbounded merge requests. Affected: Wikibase extension for MediaWiki in versions 1.35.x–1.35.11, 1.36.x–1.39.4, and 1.40.x–1.40.0. Root cause: no rate limiting on item merging. Fixes are available in: Wikibase 1.35.12 ...