A memory leak in the OCUtil.dll library used by Nextcloud Desktop Client 2.6.4 can lead to a DoS against the host system.
https://nextcloud.com/security/advisory/?id=NC-SA-2020-034
https://hackerone.com/reports/588562
Source: Mitre, NVD
Published: 2020-08-10
Updated: 2026-06-17
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00126