Explore

Latest Releases
Registries
Security Advisories
CollectionsPreview

Theme

Contact© 2026 Release Alert

Security Advisories

CVEs affecting projects tracked on Release Alert, from NVD & OSV.

© 2026 Release Alert

Privacy Policy
Terms of Service
Contact

CVE-2021-31556 — CRITICAL severity vulnerability | Release Alert

CVE-2021-31556

9.8

CRITICALCVSS v3

Published

August 12, 2021

CVSS v2

7.5 HIGH

Affected

9 projects

Assigned by

MITRE

Severity scale

010

Description

An issue was discovered in the Oauth extension for MediaWiki through 1.35.2. MWOAuthConsumerSubmitControl.php does not ensure that the length of an RSA key will fit in a MySQL blob.

wikimedia/mediawiki

GitHub🌻 The collaborative editing software that runs Wikipedia. Mirror from https://gerrit.wikimedia.org/g/mediawiki/core. See https://mediawiki.org/wiki/Developer_access for contributing.

<= 1.35.2NVD

NPMA JavaScript framework for the MediaWiki API.

<= 1.35.2NVD

Python Package Index

More on this CVE

NVD↗GitHub Advisory↗

MediaWiki Syntax to HTML

<= 1.35.2NVD

Crates.ioA MediaWiki client library

<= 1.35.2NVD

Crates.ioBase library for interacting with Fedora web services

= 33, = 34, = 35NVD

Python Package IndexPlaceholder for the fedora name

= 33, = 34, = 35NVD

Docker HubOfficial Docker builds of Fedora

= 33, = 34, = 35NVD

NPMDigital Repository Ireland - fedora backend operations

= 33, = 34, = 35NVD

RubyGemsSet of capistrano recipies for automating creation of Fedora servers.

= 33, = 34, = 35NVD