CVE-2025-46171

MEDIUM

5.4

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.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published7/23/2025

Last Modified7/28/2025

Sourcenvd

Honeypot Sightings0

Affected Products

vbulletin:vbulletin

Weaknesses (CWE)

CWE-400

References

http://vbulletin.com(cve@mitre.org)

https://github.com/oiyl/CVE-2025-46171(cve@mitre.org)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.