CVE-2022-34750

State: Published
Severity: Not scored
Published: Jun 28, 2022
Updated: Aug 3, 2024
Reserved: Jun 28, 2022

Description

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 Wikibase and WikibaseLexeme extensions. This is related to Special:NewLexeme and Special:NewProperty.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://phabricator.wikimedia.org/T308659
https://gerrit.wikimedia.org/r/q/I8171bfef73e525d73efa60b407ce147130ea4742
https://gerrit.wikimedia.org/r/q/Id89a9b08e40f075d2d422cafd03668dff3ce7fc9

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