In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).

Project Subscriptions

Vendors Products
Canonical Subscribe
Ubuntu Linux Subscribe
Debian Linux Subscribe
Enterprise Linux Subscribe
Rhel Aus Subscribe
Rhel E4s Subscribe
Rhel Eus Subscribe
Rhel Software Collections Subscribe
Rhel Tus Subscribe
Ruby-lang Subscribe
Advisories
Source ID Title
Debian DLA Debian DLA DLA-1358-1 ruby1.9.1 security update
Debian DLA Debian DLA DLA-1359-1 ruby1.8 security update
Debian DLA Debian DLA DLA-1421-1 ruby2.1 security update
Debian DSA Debian DSA DSA-4259-1 ruby2.3 security update
EUVD EUVD EUVD-2018-20386 In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).
Ubuntu USN Ubuntu USN USN-3685-1 Ruby vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.01428}

epss

{'score': 0.01233}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T07:02:26.039Z

Reserved: 2018-03-19T00:00:00

Link: CVE-2018-8777

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-04-03T22:29:00.710

Modified: 2024-11-21T04:14:17.343

Link: CVE-2018-8777

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-03-28T00:00:00Z

Links: CVE-2018-8777 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses