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CVE-2017-11499

27
FAUCET Score

CVE-2017-11499 describes a hash flooding remote Denial of Service (DoS) vulnerability affecting multiple versions of Node.js (v4.x, v5.x, v6.x, v7.x, and v8.x). The vulnerability stemmed from a constant HashTable seed due to V8 snapshots, allowing attackers to trigger performance degradation. With a CVSS score of 7.5 (HIGH), this vulnerability is remotely exploitable with low attack complexity, leading to a complete loss of availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.0CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:4.0.0:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:4.1.0:*:*:*:*:*:*:*
4.1.1CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:4.1.1:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:4.1.2:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:4.2.0:*:*:*:*:*:*:*

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
5.48%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0548 is in the 86th percentile among its peer group of 51,551 CVEs.

Social Chatter

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 (18)

redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-nodejs4-0:2.4-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-nodejs4-nodejs-1:4.6.2-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-nodejs6-nodejs-0:6.11.3-2.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-nodejs4-0:2.4-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-nodejs4-node-gyp-0:3.3.1-5.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-nodejs4-nodejs-1:4.6.2-7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-nodejs6-nodejs-0:6.11.3-2.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-nodejs4-0:2.4-4.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-nodejs4-node-gyp-0:3.3.1-5.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-nodejs4-nodejs-1:4.6.2-7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs6-nodejs-0:6.11.3-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs4-0:2.4-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs4-nodejs-1:4.6.2-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-nodejs6-nodejs-0:6.11.3-2.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Enterprise 2Fixed in: nodejs010-nodejs
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka) Operational ToolsFixed in: nodejs
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) Operational ToolsFixed in: nodejs
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: nodejs010-nodejs

Vendor Advisories (1)

redhatCVE-2017-11499Moderate

nodejs: Constant Hashtable Seeds vulnerability

Jul 11, 2017

References

access.redhat.com / errata/RHSA-2017:2908
access.redhat.com / errata/RHSA-2017:3002
nodejs.org / en/blog/vulnerability/july-2017-security-releases
PatchVendor Advisory
securityfocus.com / bid/99959
Third Party AdvisoryVDB Entry