There is a denial of service vulnerability in the Content-Disposition parsingcomponent of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1, 3.0.0.1. This could allow an attacker to craft an input that can cause Content-Disposition header parsing in Rackto take an unexpected amount of time, possibly resulting in a denial ofservice attack vector. This header is used typically used in multipartparsing. Any applications that parse multipart posts using Rack (virtuallyall Rails applications) are impacted.
CVE-2022-44571
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 2.8%, top 14% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 71.3%
- KEV
- Not listed
Published
February 9, 2023
Last Modified
February 13, 2025
References (6)
- support@hackeronehttps://discuss.rubyonrails.org/t/cve-2022-44571-possible-denial-of-service-vulnerability-in-rack-content-disposition-parsing/82126
- support@hackeronehttps://security.netapp.com/advisory/ntap-20231208-0013/
- support@hackeronehttps://www.debian.org/security/2023/dsa-5530
- af854a3a-2127-422b-91ae-364da2661108https://discuss.rubyonrails.org/t/cve-2022-44571-possible-denial-of-service-vulnerability-in-rack-content-disposition-parsing/82126
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20231208-0013/
- af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5530
Vendor Advisories for CVE-2022-44571(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | ruby-rack (1.6.4-3ubuntu0.2+esm4) @ xenial | 2026-05-25 | ubuntu |
| ubuntu | ruby-rack (2.1.4-5ubuntu1.1) @ jammy | 2026-05-25 | ubuntu |
| redhat | rubygem-rack-0:2.2.7-1.el8sat | 2023-11-08 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rack | 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4 | 3.0.4.1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(2)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 8× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-25 07:08 UTCEG score recompute
- 2026-05-25 07:08 UTCVendor advisory
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Frequently asked(5)
What is CVE-2022-44571?
When was CVE-2022-44571 disclosed?
Is CVE-2022-44571 actively exploited?
What is the CVSS score of CVE-2022-44571?
How do I remediate CVE-2022-44571?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-44571
Is Your Infrastructure Affected by CVE-2022-44571?
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