CVE-2025-46171

Medium

Description

vBulletin 3.8.7 is vulnerable to a denial-of-service condition via the misc.php?do=buddylist endpoint. If an authenticated user has a sufficiently large buddy list, processing the list can consume excessive memory, exhausting system resources and crashing the forum.

SeverityMedium
CVSS5.4
Exploit probability—
ProductVbulletin
PublishedJul 23, 2025
First seenJul 23, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
vbulletin vbulletin3.8.7—

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