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CVE-2017-0900

22
FAUCET Score

CVE-2017-0900 describes a denial-of-service vulnerability in RubyGems versions 2.6.12 and earlier, affecting distributions like Debian and Red Hat. Maliciously crafted gem specifications can trigger this DoS when a RubyGems client executes a 'query' command. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, leading to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.12CPE matchmatch criteria
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
8.49%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0849 is in the 91st percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (22)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ruby-0:2.0.0.648-33.el7_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby24-ruby-0:2.4.2-86.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby22-ruby-0:2.2.9-19.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby23-ruby-0:2.3.6-67.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-ruby24-ruby-0:2.4.2-86.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-ruby22-ruby-0:2.2.9-19.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-ruby23-ruby-0:2.3.6-67.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby24-ruby-0:2.4.2-86.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby22-ruby-0:2.2.9-19.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby23-ruby-0:2.3.6-67.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-ruby24-ruby-0:2.4.2-86.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-ruby22-ruby-0:2.2.9-19.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-ruby23-ruby-0:2.3.6-67.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby24-ruby-0:2.4.2-86.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby23-ruby-0:2.3.6-67.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby22-ruby-0:2.2.9-19.el7
View patch
rubygemspatch availablevia ghsa
Product: rubygems-updateFixed in: 2.6.13
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: rubygems
redhatvendor investigatingvia redhat_api
Product: Red Hat Satellite 6Fixed in: rubygems
redhatvendor investigatingvia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: ruby193-rubygems
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: rubygems

Vendor Advisories (2)

rubygemsGHSA-p7f2-rr42-m9xmhigh

RubyGems Improper Input Validation vulnerability

May 14, 2022
redhatCVE-2017-0900Low

rubygems: No size limit in summary length of gem spec

Sep 1, 2017

References

blog.rubygems.org / 2017/08/27/2.6.13-released.html
PatchVendor Advisory
access.redhat.com / errata/RHSA-2017:3485
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0378
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0583
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0585
Third Party Advisory
github.com / rubygems/rubygems/commit/8a38a4fc24c6591e6c8f43d1fadab6efeb4d6251
PatchThird Party Advisory
hackerone.com / reports/243003
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00012.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/201710-01
Third Party Advisory
debian.org / security/2017/dsa-3966
Third Party Advisory
securityfocus.com / bid/100579
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039249
Third Party AdvisoryVDB Entry