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CVE-2026-39934

Published: Apr 7, 2026

Modified: Apr 8, 2026

PUBLISHED

Description

Loop with unreachable exit condition ('infinite loop') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue was remediated only on the `master` branch.

Vendor	Product	Versions
The Wikimedia Foundation	Mediawiki - GrowthExperiments Extension	affected `1.45` affected `1.44` affected `1.43` affected `0 - < 1.43`

Weaknesses (CWE)

References

https://phabricator.wikimedia.org/T418222

https://gerrit.wikimedia.org/r/c/1243874

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