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Vulnerability details: VCID-rg39-bur5-67e3
Vulnerability ID VCID-rg39-bur5-67e3
Aliases CVE-2015-3225
GHSA-rgr4-9jh5-j4j6
Summary Rack vulnerable to Denial of Service via large parameter depth request lib/rack/utils.rb in Rack before 1.5.4 and 1.6.x before 1.6.2, as used with Ruby on Rails 3.x and 4.x and other products, allows remote attackers to cause a denial of service (SystemStackError) via a request with a large parameter depth.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-400 Uncontrolled Resource Consumption
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-19 Data Processing Errors
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual MODERATE http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164173.html
generic_textual MODERATE http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165180.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2015-07/msg00040.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2015-07/msg00043.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2015-07/msg00044.html
generic_textual MODERATE http://openwall.com/lists/oss-security/2015/06/16/14
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2015-2290.html
epss 0.13251 https://api.first.org/data/v1/epss?cve=CVE-2015-3225
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-rgr4-9jh5-j4j6
generic_textual MODERATE https://github.com/rack/rack
generic_textual MODERATE https://github.com/rack/rack/blob/master/HISTORY.md
generic_textual MODERATE https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2015-3225.yml
generic_textual MODERATE https://groups.google.com/forum/#!topic/ruby-security-ann/gcUbICUmKMc
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2015-3225
generic_textual MODERATE http://www.debian.org/security/2015/dsa-3322
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164173.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165180.html
http://lists.opensuse.org/opensuse-updates/2015-07/msg00040.html
http://lists.opensuse.org/opensuse-updates/2015-07/msg00043.html
http://lists.opensuse.org/opensuse-updates/2015-07/msg00044.html
http://openwall.com/lists/oss-security/2015/06/16/14
http://rhn.redhat.com/errata/RHSA-2015-2290.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-3225.json
https://api.first.org/data/v1/epss?cve=CVE-2015-3225
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3225
https://github.com/rack/rack
https://github.com/rack/rack/blob/master/HISTORY.md
https://github.com/rack/rack/commits/1.4.6
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2015-3225.yml
https://groups.google.com/forum/#!topic/ruby-security-ann/gcUbICUmKMc
https://nvd.nist.gov/vuln/detail/CVE-2015-3225
http://www.debian.org/security/2015/dsa-3322
1232292 https://bugzilla.redhat.com/show_bug.cgi?id=1232292
789311 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=789311
GHSA-rgr4-9jh5-j4j6 https://github.com/advisories/GHSA-rgr4-9jh5-j4j6
RHSA-2015:2290 https://access.redhat.com/errata/RHSA-2015:2290
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.94266
EPSS Score 0.13251
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T08:57:16.764400+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2017/10/GHSA-rgr4-9jh5-j4j6/GHSA-rgr4-9jh5-j4j6.json 38.6.0