What’s Vulnerable › Vulnerabilities

CVE-2020-8229

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-10 · updated 2026-06-17
• Weakness: CWE-400

Description

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.

Affected products

• Desktop Client: before 2.6.5 — fixed in 2.6.5

How to fix

Upgrade to a fixed version: Desktop Client 2.6.5. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/588562
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-034
• https://hackerone.com/reports/588562
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-034

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