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.
History

Mon, 28 Jul 2025 14:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:vbulletin:vbulletin:3.8.7:*:*:*:*:*:*:*

Mon, 28 Jul 2025 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Vbulletin
Vbulletin vbulletin
Vendors & Products Vbulletin
Vbulletin vbulletin

Wed, 23 Jul 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 23 Jul 2025 15:45:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-07-23T00:00:00.000Z

Updated: 2025-07-23T15:46:25.545Z

Reserved: 2025-04-22T00:00:00.000Z

Link: CVE-2025-46171

cve-icon Vulnrichment

Updated: 2025-07-23T15:45:06.219Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-23T16:15:26.423

Modified: 2025-07-28T14:29:55.377

Link: CVE-2025-46171

cve-icon Redhat

No data.