Read the docs
TI-2013-00118 Aliases CVE-2013-0183GHSA-3pxh-h8hw-mj8w

multipart/parser.rb in Rack 1.3.x before 1.3.8 and 1.4.x before 1.4.3 allows remote…

Priority LOW 29CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Partial Red Hat: 3 fixed, 2 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

multipart/parser.rb in Rack 1.3.x before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to cause a denial of service (memory consumption and out-of-memory error) via a long string in a Multipart HTTP packet.

Why it matters now

EPSS 0.03778 90th percentileScored 2026-11-07
Fix Partial rack (RubyGems): 1.3.8, 1.4.3Red Hat: 2 advisoriesRed Hat: 3 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—rack (RubyGems)1.3.0 to before 1.3.81.3.8Patch availableGHSA-3pxh-h8hw-mj8w
—rack (RubyGems)1.4.0 to before 1.4.31.4.3Patch availableGHSA-3pxh-h8hw-mj8w
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • rack (RubyGems) Vendor— Affected 1.3.0 to before 1.3.8 Fixed in 1.3.8 Patch available GHSA-3pxh-h8hw-mj8w
  • rack (RubyGems) Vendor— Affected 1.4.0 to before 1.4.3 Fixed in 1.4.3 Patch available GHSA-3pxh-h8hw-mj8w

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:a:rack_project:rack:1.3.0:*:*:*:*:*:*:*1.3.0VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.3.1:*:*:*:*:*:*:*1.3.1VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.3.3:*:*:*:*:*:*:*1.3.3VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.3.4:*:*:*:*:*:*:*1.3.4VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.3.5:*:*:*:*:*:*:*1.3.5VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.3.6:*:*:*:*:*:*:*1.3.6VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.3.7:*:*:*:*:*:*:*1.3.7VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.4.0:*:*:*:*:*:*:*1.4.0VulnerableRack Project
cpe:2.3:a:rack_project:rack:1.4.1:*:*:*:*:*:*:*1.4.1VulnerableRack Project
  • cpe:2.3:a:rack_project:rack:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.3.6:*:*:*:*:*:*:* Versions 1.3.6 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.3.7:*:*:*:*:*:*:* Versions 1.3.7 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·Rack Project
  • cpe:2.3:a:rack_project:rack:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·Rack Project
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:rack_project:rack:1.4.2:*:*:*:*:*:*:*1.4.2VulnerableRack Project
  • cpe:2.3:a:rack_project:rack:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·Rack Project

Remediation

  • Fix · GHSA-3pxh-h8hw-mj8w rack (RubyGems) Fixed in 1.3.8 Advisory →
  • Fix · GHSA-3pxh-h8hw-mj8w rack (RubyGems) Fixed in 1.4.3 Advisory →

Red Hat 2 advisories

  • RHSA-2013:0544 Released 2013-02-21 · Red Hat rating Important
    Subscription Asset Manager 1.2 update
    • Red Hat Subscription Asset Manager for RHEL 6 Server apache-commons-codec-1.7-2.el6_3, apache-mime4j-0.6-4_redhat_1.ep6.el6.1, apache-mime4j-javadoc-0.6-4_redhat_1.ep6.el6.1 +33
  • RHSA-2013:0548 Released 2013-02-21 · Red Hat rating Moderate
    CloudForms Common 1.1.2 update
    • CloudForms Cloud Engine for RHEL 6 Server ruby-nokogiri-1.5.0-0.9.beta4.el6cf, rubygem-activesupport-1:3.0.10-10.el6cf, rubygem-delayed_job-2.1.4-3.el6cf +14
    • CloudForms System Engine for RHEL 6 Server ruby-nokogiri-1.5.0-0.9.beta4.el6cf, rubygem-activesupport-1:3.0.10-10.el6cf, rubygem-delayed_job-2.1.4-3.el6cf +10

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
OpenShift Enterprise 1AffectedNo fix planned: Will not fix
Red Hat Enterprise MRG 2AffectedNo fix yet
CloudForms Cloud Engine for RHEL 6 ServerFixed RHSA-2013:0548
CloudForms System Engine for RHEL 6 ServerFixed RHSA-2013:0548
Red Hat Subscription Asset Manager for RHEL 6 ServerFixed RHSA-2013:0544

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-0183
  2. 2026-10-03 Alias added: GHSA-3pxh-h8hw-mj8w
  3. 2026-11-07 EPSS moved to the 90th–95th percentile

References

  • TI-2022-12397 A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which… CVSS 3.1CRITICAL 10.0
  • TI-2022-12396 Uncontrolled resource consumption in https://github.com/rack/rack CVSS 3.1HIGH 7.5
  • TI-2020-06579 Path traversal in https://github.com/rack/rack CVSS 3.1HIGH 8.6
  • TI-2020-06602 Improper input validation in https://github.com/rack/rack CVSS 3.1HIGH 7.5
  • TI-2018-11812 Uncontrolled resource consumption in Rack CVSS 3.0HIGH 7.5
  • TI-2015-02854 lib/rack/utils.rb in Rack before 1.5.4 and 1.6.x before 1.6.2, as used with Ruby on Rails… CVSS 2.0MEDIUM 5.0
See all 12 →

Sources