CVE-2021-31556
- Source
- https://cve.org/CVERecord?id=CVE-2021-31556
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-31556.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-31556
- Aliases
- Published
- 2021-08-12T22:15:07.913Z
- Modified
- 2025-11-14T11:51:46.935357Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
- https://gerrit.wikimedia.org/r/q/I13ff0350a9a0a3cd5ab3e1f82dd0d8d9c13cf9e9
- https://phabricator.wikimedia.org/T277380
Affected packages
Git / github.com/wikimedia/mediawiki
Affected ranges
- Type
- GIT
- Repo
- https://github.com/wikimedia/mediawiki
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected