CVE-2021-42040

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Source

https://cve.org/CVERecord?id=CVE-2021-42040

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42040.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-42040

Aliases

BIT-mediawiki-2021-42040

Downstream

UBUNTU-CVE-2021-42040

Published

2021-10-06T21:15:07.213Z

Modified

2026-03-14T11:15:12.072141Z

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

An issue was discovered in MediaWiki through 1.36.2. A parser function related to loop control allowed for an infinite loop (and php-fpm hang) within the Loops extension because egLoopsCountLimit is mishandled. This could lead to memory exhaustion.

References

Affected packages

Git / github.com/wikimedia/mediawiki

Affected ranges

Type

GIT

Repo

https://github.com/wikimedia/mediawiki

Events

Introduced

Last affected

f65f9d6971578b301ef9fc915a729e6a13266a5e

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.36.2"
        }
    ]
}

Affected versions

1.*

1.1.0

1.3.0beta1

1.36.0

1.36.0-rc.0

1.36.1

1.36.2

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/cve-osv-conversion/osv-output/CVE-2021-42040.json"