CVE-2022-44570
HIGH7.5EPSS 3.1%Denial of service via header parsing in Rack
Published: 1/18/2023Modified: 4/28/2026
Description
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.
Affected packages (2)
- Debian/ruby-rackfrom 0, < 2.1.4-3+deb11u1
- RubyGems/rack>= 1.5.0, < 2.0.9.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-44570
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2022-44570
- PATCHhttps://github.com/rack/rack
- WEBhttps://discuss.rubyonrails.org/t/cve-2022-44570-possible-denial-of-service-vulnerability-in-racks-range-header-parsing/82125
- WEBhttps://github.com/rack/rack/releases/tag/v3.0.4.1
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-44570.yml
- WEBhttps://security.netapp.com/advisory/ntap-20231208-0010
- WEBhttps://www.debian.org/security/2023/dsa-5530