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Vulnerability record · CVE-2022-30122 · published 5 December 2022

CVE-2022-30122: Rack project rack uncontrolled resource consumption vulnerability

Rack Project · Rack

A possible denial of service vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 in the multipart parsing component of Rack.

7.5 CVSS 3.1 High EPSS 2.2% · top 18.6% CWE-400 · Uncontrolled resource consumptionCWE-1333 · Inefficient regular expression (ReDoS)
7.5CVSS 3.1 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

A possible denial of service vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 in the multipart parsing component of Rack.

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

Affected products

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

References

LinkTags
https://discuss.rubyonrails.org/t/cve-2022-30122-denial-of-service-vulnerability-in-rack-multipart-parsing/80729 Third Party Advisory
https://security.gentoo.org/glsa/202310-18 Third Party Advisory
https://security.netapp.com/advisory/ntap-20231208-0012/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5530 Third Party Advisory
https://discuss.rubyonrails.org/t/cve-2022-30122-denial-of-service-vulnerability-in-rack-multipart-parsing/80729 Third Party Advisory
https://security.gentoo.org/glsa/202310-18 Third Party Advisory
https://security.netapp.com/advisory/ntap-20231208-0012/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5530 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-30122), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.