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).
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}


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.