CVE-2025-46171 – vBulletin Denial-of-Service Vulnerability

CVE ID : CVE-2025-46171

Published : July 23, 2025, 4:15 p.m. | 45 minutes ago

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.

Severity: 5.4 | MEDIUM

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