cve.bz

CVE-2021-42040

7.5 highEPSS 1.2%

High (7.5) in mediawiki mediawiki. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE
CWE-835
Published
Modified
Record from
the NVD, synced

Affected

References

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