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
Downstream
Published
2021-10-06T21:15:07Z
Modified
2026-07-08T23:58:01Z
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
0 Unknown introduced commit / All previous commits are affected
Last Affected
f65f9d6971578b301ef9fc915a729e6a13266a5e
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.36.2"
        }
    ],
    "source": "CPE_RANGE"
}

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
Other
test-hashar-for-ci

Database specific

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