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Vulnerability record · CVE-2023-2253 · published 6 June 2023

CVE-2023-2253: Redhat openshift api for data protection allocation without limits vulnerability

Redhat · Openshift Api For Data Protection

A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`). This vulnerability allows a malicious user to submit an unreasonably large value for `n,` causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.

6.5 CVSS 3.1 Medium EPSS 0.94% · top 40.6% CWE-475 · CWE-475CWE-770 · Allocation without limits
6.5CVSS 3.1 base score
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`). This vulnerability allows a malicious user to submit an unreasonably large value for `n,` causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=2189886 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00035.html
https://bugzilla.redhat.com/show_bug.cgi?id=2189886 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00035.html

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Source: NIST National Vulnerability Database (record CVE-2023-2253), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.