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CVE-2019-16892

21
FAUCET Score

CVE-2019-16892 describes a denial-of-service vulnerability in Rubyzip versions prior to 1.3.0, where a specially crafted ZIP file can spoof uncompressed entry sizes, leading to excessive disk consumption. This affects various products including Fedora, Red Hat CloudForms, and Rubyzip itself. The vulnerability has a medium severity CVSS score of 5.5, indicating a low attack complexity and the potential for high availability impact, requiring user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.0CPE matchmatch criteria
cpe:2.3:a:rubyzip_project:rubyzip:*:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
4.7CPE matchmatch criteria
cpe:2.3:a:redhat:cloudforms:4.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
73.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 83rd percentile among its peer group of 5,760 CVEs.

Social Chatter

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

Media Mentions

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 (13)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.10Fixed in: cfme-0:5.10.13.1-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.10Fixed in: cfme-amazon-smartstate-0:5.10.13.1-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.10Fixed in: cfme-appliance-0:5.10.13.1-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.10Fixed in: cfme-gemset-0:5.10.13.1-1.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.10Fixed in: ruby-0:2.4.9-93.el7cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.11Fixed in: cfme-0:5.11.1.2-1.el8cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.11Fixed in: cfme-amazon-smartstate-0:5.11.1.2-1.el8cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.11Fixed in: cfme-appliance-0:5.11.1.2-1.el8cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.11Fixed in: cfme-gemset-0:5.11.1.2-1.el8cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.11Fixed in: ovirt-ansible-hosted-engine-setup-0:1.0.28-1.el8ev
View patch
redhatpatch availablevia redhat_api
Product: CloudForms Management Engine 5.11Fixed in: v2v-conversion-host-0:1.15.0-1.el8ev
View patch
rubygemspatch availablevia ghsa
Product: rubyzipFixed in: 1.3.0

Vendor Advisories (2)

rubygemsGHSA-5m2v-hc64-56h6medium

Rubyzip denial of service

Sep 30, 2019
redhatCVE-2019-16892Moderate

cfme: rubygem-rubyzip denial of service via crafted ZIP file

Sep 25, 2019

References

access.redhat.com / errata/RHBA-2019:4047
Third Party Advisory
access.redhat.com / errata/RHSA-2019:4201
Third Party Advisory
github.com / rubyzip/rubyzip/commit/d65fe7bd283ec94f9d6dc7605f61a6b0dd00f55e
Patch
github.com / rubyzip/rubyzip/pull/403
ExploitIssue TrackingPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/J45KSFPP6DFVWLC7Z73L7SX735CKZYO6
Mailing List
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MWWPORMSBHZTMP4PGF4DQD22TTKBQMMC
Mailing List
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/X255K6ZBAQC462PQN2ND5HOTTQEJ2G2X
Mailing List