Home/CVE/A denial of service vulnerability in the Range header parsing component of Rack >= 1.5.0. A Carefully crafted input can
CVE

CVE-2022-44570

A denial of service vulnerability in the Range header parsing component of Rack >= 1.5.0. A Carefully crafted input can

A denial of service vulnerability in the Range header parsing component of Rack >= 1.5.0. A Carefully crafted input can cause the Range header parsing component in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that deal with Range requests (such as streaming applications, or applications that serve files) may be impacted.

HIGH · CVSS 7.5 EPSS 0.03121
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1333Inefficient Regular Expression Complexity
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

4
rack>= 1.5.0 and < 2.0.9.2
rack>= 2.1.0 and < 2.1.4.2
rack>= 2.2.0 and < 2.2.6.1
rack>= 3.0.0 and < 3.0.4.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems rack HIGH fixed in 2.0.9.2
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Feb 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

15
suse-csafopenSUSE-SU-2026:10358-1
suse-csafopenSUSE-SU-2026:10286-1
suse-csafopenSUSE-SU-2025:14875-1
suse-csafopenSUSE-SU-2025:14811-1
usnUSN-7036-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://discuss.rubyonrails.org/t/cve-2022-44570-possible-denial-of-service-vulnerability-in-racks-range-header-parsing/82125PatchVendor Advisory
https://security.netapp.com/advisory/ntap-20231208-0010/
https://www.debian.org/security/2023/dsa-5530
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