CVE-2022-30122: debian debian_linux Uncontrolled Resource Consumption
Vulnerability summary
CVE-2022-30122 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in debian debian_linux. EPSS estimates a 2.23% chance of exploitation in the next 30 days, higher than 82.7% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 20 · Related 15Timeline
- 05-12-2022PublishedVulnerability first disclosed.
- 19-11-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · RubygemsEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.23%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
Increase +0.08 pp
From 2.15% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-1333Inefficient Regular Expression ComplexityThe product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- ruby-rack< 2.2.4-1
- debian_linuxEOL11.0
Rack_project1 product
- rack≥ 1.2, < 2.0.9.1 | ≥ 2.1.0, < 2.1.4.1 | ≥ 2.2.0, < 2.2.3.1
RubyGems1 product
- rack≥ 1.2, < 2.0.9.1 | ≥ 2.1, < 2.1.4.1 | ≥ 2.2, < 2.2.3.1
Ubuntu1 product
- ruby-rack< 1.5.2-3+deb8u3ubuntu1~esm4 | < 1.6.4-3ubuntu0.2+esm2 | < 1.6.4-4ubuntu0.2+esm2 | < 2.0.7-2ubuntu0.1+esm2 | < 2.1.4-5ubuntu1.1 | < 2.1.4-5ubuntu1+esm2
4 vendors · 5 products
References
16 links
- security.netapp.com/advisory/ntap-20231208-0012/Third Party Advisory
Show all 16 references
- github.com/rack/rackPACKAGE