Home/CVE/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
CVE

CVE-2015-3225

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

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.

MEDIUM · CVSS 5 EPSS 0.13251
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
rack project rack<= 1.5.3
rack project rackall versions
opensuseall versions
debian linuxall versions
▤

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 MODERATE fixed in 1.5.4
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD26 Jul 2015 · 10:59 PM
⚑

Vendor Advisories

20
suse-csafopenSUSE-SU-2026:10358-1
suse-csafopenSUSE-SU-2026:10286-1
suse-csafopenSUSE-SU-2025:14875-1
suse-csafopenSUSE-SU-2025:14811-1
suse-csafopenSUSE-SU-2024:10406-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-07/msg00043.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-07/msg00044.htmlThird Party Advisory
http://openwall.com/lists/oss-security/2015/06/16/14Mailing ListThird Party Advisory
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