All vulnerabilities

Servers and applications

CVE-2025-46171

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
Medium 5.4
Published
23 Jul 2025
Last changed
5 Jul 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
vBulletinServers and applications · cpe:a:vbulletin:vbulletin
  • Version 3.8.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-46171
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-46171