What’s Vulnerable › Vulnerabilities

CVE-2023-2253

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-06 · updated 2026-06-17
• Weakness: CWE-475

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.

Affected products

• RedHat Openshift Api For Data Protection: all versions
• Red Hat OpenShift Container Platform 4.18: 4.0
• Red Hat OpenShift Developer Tools and Services: all versions

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2189886
• https://lists.debian.org/debian-lts-announce/2023/06/msg00035.html
• https://bugzilla.redhat.com/show_bug.cgi?id=2189886
• https://lists.debian.org/debian-lts-announce/2023/06/msg00035.html

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