Staging Environment: Content and features may be unstable or change without notice.
Search for packages
Package details: pkg:gem/rack@1.2
purl pkg:gem/rack@1.2
Tags Ghost
Next non-vulnerable version 2.2.22
Latest non-vulnerable version 3.2.6
Risk 4.0
Vulnerabilities affecting this package (5)
Vulnerability Summary Fixed by
VCID-91xe-ev7t-akb9
Aliases:
CVE-2012-6109
GHSA-h77x-m5q8-c29h
OSV-89317
Uncontrolled Resource Consumption lib/rack/multipart.rb in Rack uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.
1.2.6
Affected by 32 other vulnerabilities.
1.3.0.beta
Affected by 34 other vulnerabilities.
1.3.7
Affected by 33 other vulnerabilities.
1.4.2
Affected by 32 other vulnerabilities.
VCID-9uh8-upzm-7bgd
Aliases:
CVE-2013-0184
GHSA-v882-ccj6-jc48
OSV-89327
Uncontrolled Resource Consumption Unspecified vulnerability in Rack::Auth::AbstractRequest in Rack allows remote attackers to cause a denial of service via unknown vectors related to "symbolized arbitrary strings."
1.2.7
Affected by 32 other vulnerabilities.
1.3.0.beta
Affected by 34 other vulnerabilities.
1.3.9
Affected by 33 other vulnerabilities.
1.4.4
Affected by 30 other vulnerabilities.
1.5.0.beta.1
Affected by 30 other vulnerabilities.
VCID-ge4d-a8z8-m3c6
Aliases:
CVE-2011-5036
GHSA-v6j3-7jrw-hq2p
OSV-78121
Hash Collision Form Parameter Parsing Remote DoS This package contains a flaw that may allow a remote denial of service. The issue is triggered when an attacker sends multiple crafted parameters which trigger hash collisions, and will result in loss of availability for the program via CPU consumption.
1.2.5
Affected by 33 other vulnerabilities.
1.3.0.beta
Affected by 34 other vulnerabilities.
1.3.6
Affected by 33 other vulnerabilities.
1.4.0
Affected by 33 other vulnerabilities.
VCID-qt1u-2p37-xfet
Aliases:
CVE-2022-30122
GHSA-hxqx-xwvh-44m2
GMS-2022-1643
Multiple vulnerabilities have been discovered in Rack, the worst of which can lead to sequence injection in logging compontents.
2.0.9.1
Affected by 22 other vulnerabilities.
2.1.4.1
Affected by 22 other vulnerabilities.
2.2.3.1
Affected by 22 other vulnerabilities.
VCID-y12d-fjpf-uubh
Aliases:
CVE-2013-0263
GHSA-xc85-32mf-xpv8
OSV-89939
Timing attack against Rack::Session::Cookie Affected versions allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving am HMAC comparison function that does not run in constant time.
1.2.8
Affected by 30 other vulnerabilities.
1.3.0.beta
Affected by 34 other vulnerabilities.
1.3.10
Affected by 31 other vulnerabilities.
1.4.5
Affected by 28 other vulnerabilities.
1.5.0.beta.1
Affected by 30 other vulnerabilities.
1.5.2
Affected by 29 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-03T21:28:29.206110+00:00 GitLab Importer Affected by VCID-qt1u-2p37-xfet https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rack/CVE-2022-30122.yml 38.1.0
2026-04-01T16:02:32.491458+00:00 GHSA Importer Affected by VCID-qt1u-2p37-xfet https://github.com/advisories/GHSA-hxqx-xwvh-44m2 38.0.0
2026-04-01T15:18:30.254553+00:00 Ruby Importer Affected by VCID-y12d-fjpf-uubh https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2013-0263.yml 38.0.0
2026-04-01T15:18:30.050125+00:00 Ruby Importer Affected by VCID-qt1u-2p37-xfet https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30122.yml 38.0.0
2026-04-01T15:18:29.828992+00:00 Ruby Importer Affected by VCID-91xe-ev7t-akb9 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2012-6109.yml 38.0.0
2026-04-01T15:18:29.703976+00:00 Ruby Importer Affected by VCID-ge4d-a8z8-m3c6 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2011-5036.yml 38.0.0
2026-04-01T15:18:29.332058+00:00 Ruby Importer Affected by VCID-9uh8-upzm-7bgd https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2013-0184.yml 38.0.0