CVE-2021-41799

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Source
https://cve.org/CVERecord?id=CVE-2021-41799
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-41799.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-41799
Aliases
Downstream
Published
2021-10-11T08:15:06.767Z
Modified
2026-05-18T05:53:08.752120348Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "33"
                },
                {
                    "last_affected": "34"
                },
                {
                    "last_affected": "35"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "source": "CPE_FIELD",
            "vendor_product": "fedoraproject:fedora"
        }
    ]
}
References

Affected packages

Git / github.com/wikimedia/mediawiki

Affected ranges

Type
GIT
Repo
https://github.com/wikimedia/mediawiki
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
f65f9d6971578b301ef9fc915a729e6a13266a5e
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.36.2"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*"
}

Affected versions

1.*
1.1.0
1.3.0beta1
1.36.0
1.36.0-rc.0
1.36.1
1.5.0alpha1
1.5.0alpha2
1.5.0beta1
1.5.0beta2
1.5.0beta3
1.5.0beta4
1.6.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-41799.json"