What is CVE-2022-41968?

CVE-2022-41968 is a low-severity vulnerability in Nextcloud Server, classified under Uncontrolled Resource Consumption. CVSS score: 3.5/10. Published 2022-12-01.

How severe is CVE-2022-41968?

Low severity. CVSS v3 base score is 3.5 out of 10.

Resource exhaustion in Nextcloud Server

CVE-2022-41968

Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.10 and 24.0.5, calendar name lengths are not validated before writing to a database. As a result, an attacker can send unnecessary amounts of data against the database. Version 23.0.10 and 24.0.5 contain patches for the issue. No known workarounds are available.

Vulnerability class: DoS (Denial of Service)

Published 2022-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.009 (57.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Nextcloud Server
Nextcloud Security-Advisories — versions < 23.0.10, >= 24.0.0, < 24.0.5

Weakness classification (CWE)

References

github.com/nextcloud/security-advisories/security/advisories/GHSA-m92j-xxc8-hq3v (Third Party Advisory)
github.com/nextcloud/server/pull/33139 (Patch, Third Party Advisory)
hackerone.com/reports/1596148 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-41968?: CVE-2022-41968 is a low-severity vulnerability in Nextcloud Server, classified under Uncontrolled Resource Consumption. CVSS score: 3.5/10. Published 2022-12-01.
How severe is CVE-2022-41968?: Low severity. CVSS v3 base score is 3.5 out of 10.