CVE-2018-16470

mediumpriority · track · 31EPSS 0.020 · 81 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.03% (81st) EPSS

CVSS 5 · medium

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400USCWE-400US

affected products (11)

Products and version ranges known to be affected.

rack rack≤ 2.0.6enisa_euvdEU
Leah Neukirchen Rack≤ 2.0.6fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.0fstec_bduRU
Novell Inc. SUSE Linux Enterprise Module for Public Cloud≤ 15 SP1fstec_bduRU
Novell Inc. SUSE Linux Enterprise Module for Server Applications≤ 15fstec_bduRU
Novell Inc. SUSE Linux Enterprise Module for Server Applications≤ 15 SP1fstec_bduRU
Red Hat Inc. Red Hat Satellite≤ 6.6 for RHEL 7fstec_bduRU
Red Hat Inc. Red Hat Satellite≤ 6.0fstec_bduRU
rack project rack= 2.0.4nvdUScpe:2.3:a:rack_project:rack:*:*:*:*:*:*:*:*
rack project rack= 2.0.5nvdUScpe:2.3:a:rack_project:rack:*:*:*:*:*:*:*:*
RubyGems rack2.0.4 → 2.0.6osvUSpkg:gem/rack

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-hg78-4f6x-99wqRack vulnerable to Denial of Service2018-11-15ghsa · osvUS
There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2018-11-13modified 2026-06-17

related (9,611)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-28318US	—OT critical	43.7% (99th)	KEV	2026-06-04
SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provi…
CVE-2026-45498US	high7.5OT critical	63.1% (99th)	KEV	2026-05-20
Microsoft Defender Denial of Service Vulnerability
CVE-2023-44487US	high7.5OT critical	100.0% (100th)	KEV	2023-10-10
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through…
CVE-2023-38180US	—OT critical	14.1% (97th)	KEV	2023-08-08
.NET and Visual Studio Denial of Service Vulnerability
CVE-2021-44228US	critical10.0OT critical	100.0% (100th)	KEV	2021-12-10
Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect agai…

+9606 more

references (9)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan