CVE-2025-46171

Published July 23rd, 2025

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CVSS v3

5.4

MEDIUM

CVSS v2

N/A

Affected

PROJECT

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.

oiyl/CVE-2025-46171

Writeup of a Denial of Service vulnerability in the vBulletin 3.8.7 friends list.

GitHub