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CVE-2018-12116

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can...

7.5 HighFix available

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

4.61%Up 3.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
CVE-2018-12116
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness
CWE-115
Updated
2026-11-02
CVE List No score

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
CVE-2018-12116
Weakness
CWE-115
Updated
2026-11-02
EUVDEUVD-2018-4094 No score

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
EUVD-2018-4094
Updated
2026-11-02
GitHub AdvisoriesGHSA-mfjx-w835-f3w2 7.5

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can...

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
GHSA-mfjx-w835-f3w2
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-115, CWE-444
Updated
2026-11-02
OSVALPINE-CVE-2018-12116 7.5

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
ALPINE-CVE-2018-12116
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSV 7.5

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
CVE-2018-12116
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
Show 10 moreShow less
OSVDEBIAN-CVE-2018-12116 7.5

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
DEBIAN-CVE-2018-12116
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVRHSA-2019:1821 8.8

Red Hat Security Advisory: rh-nodejs8-nodejs security update

Record
RHSA-2019:1821
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-12116 7.5

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the path option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Record
UBUNTU-CVE-2018-12116
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVMGASA-2019-0277 No score

Updated nodejs packages fix security vulnerabilities

This update provides nodejs v6.17.1 fixing at least the following security issues:

The c-ares function ares_parse_naptr_reply(), which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer (CVE-2017-1000381)

Fix for 'path' module regular expression denial of service (CVE-2018-7158)

Reject spaces in HTTP Content-Length header values (CVE-2018-7159)

Fix for inspector DNS rebinding vulnerability (CVE-2018-7160)

buffer: Fixes Denial of Service vulnerability where calling Buffer.fill() could hang (CVE-2018-7167)

buffer: Fix out-of-bounds (OOB) write in Buffer.write() for UCS-2 encoding (CVE-2018-12115)

Node.js: HTTP request splitting (CVE-2018-12116)

Node.js: Debugger port 5858 listens on any interface by default (CVE-2018-12120)

Node.js: Denial of Service with large HTTP headers (CVE-2018-12121)

Node.js: Slowloris HTTP Denial of Service (CVE-2018-12122)

Node.js: Hostname spoofing in URL parser for javascript protocol (CVE-2018-12123)

Node.js: Slowloris HTTP Denial of Service with keep-alive (CVE-2019-5737)

Node.js: Denial of Service with keep-alive HTTP connections (CVE-2019-5739)

For other fixes in this update, see the referenced release logs.

Record
MGASA-2019-0277
Updated
2026-11-02
OSVopenSUSE-SU-2019:0089-1 No score

Security update for nodejs8

This update for nodejs8 to version 8.15.0 fixes the following issues:

Security issues fixed:

  • CVE-2018-12121: Fixed a Denial of Service with large HTTP headers (bsc#1117626)
  • CVE-2018-12122: Fixed the 'Slowloris' HTTP Denial of Service (bsc#1117627)
  • CVE-2018-12116: Fixed HTTP request splitting (bsc#1117630)
  • CVE-2018-12123: Fixed hostname spoofing in URL parser for javascript protocol (bsc#1117629)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:0089-1
Updated
2026-11-02
OSVSUSE-SU-2019:0117-1 No score

Security update for nodejs4

This update for nodejs4 fixes the following issues:

Security issues fixed:

  • CVE-2018-0734: Fixed a timing vulnerability in the DSA signature generation (bsc#1113652)
  • CVE-2018-5407: Fixed a hyperthread port content side channel attack (aka 'PortSmash') (bsc#1113534)
  • CVE-2018-12120: Fixed that the debugger listens on any interface by default (bsc#1117625)
  • CVE-2018-12121: Fixed a denial of Service with large HTTP headers (bsc#1117626)
  • CVE-2018-12122: Fixed the 'Slowloris' HTTP Denial of Service (bsc#1117627)
  • CVE-2018-12116: Fixed HTTP request splitting (bsc#1117630)
  • CVE-2018-12123: Fixed hostname spoofing in URL parser for javascript protocol (bsc#1117629)
Record
SUSE-SU-2019:0117-1
Updated
2026-11-02
OSVSUSE-SU-2019:0118-1 No score

Security update for nodejs8

This update for nodejs8 to version 8.15.0 fixes the following issues:

Security issues fixed:

  • CVE-2018-12121: Fixed a Denial of Service with large HTTP headers (bsc#1117626)
  • CVE-2018-12122: Fixed the 'Slowloris' HTTP Denial of Service (bsc#1117627)
  • CVE-2018-12116: Fixed HTTP request splitting (bsc#1117630)
  • CVE-2018-12123: Fixed hostname spoofing in URL parser for javascript protocol (bsc#1117629)
Record
SUSE-SU-2019:0118-1
Updated
2026-11-02
OSVSUSE-SU-2019:0395-1 No score

Security update for nodejs6

This update for nodejs6 to version 6.16.0 fixes the following issues:

Security issues fixed:

  • CVE-2018-0734: Fixed a timing vulnerability in the DSA signature generation (bsc#1113652)
  • CVE-2018-5407: Fixed a hyperthread port content side channel attack (aka 'PortSmash') (bsc#1113534)
  • CVE-2018-12120: Fixed that the debugger listens on any interface by default (bsc#1117625)
  • CVE-2018-12121: Fixed a denial of Service with large HTTP headers (bsc#1117626)
  • CVE-2018-12122: Fixed the 'Slowloris' HTTP Denial of Service (bsc#1117627)
  • CVE-2018-12116: Fixed HTTP request splitting (bsc#1117630)
  • CVE-2018-12123: Fixed hostname spoofing in URL parser for javascript protocol (bsc#1117629)
Record
SUSE-SU-2019:0395-1
Updated
2026-11-02
OSVSUSE-SU-2019:14246-1 No score

Security update for Mozilla Firefox

This update contains the Mozilla Firefox ESR 68.2 release.

Mozilla Firefox was updated to ESR 68.2 release:

  • Enterprise: New administrative policies were added. More information and templates are available at the Policy Templates page.

  • Various security fixes: MFSA 2019-33 (bsc#1154738)

    • CVE-2019-15903: Heap overflow in expat library in XML_GetCurrentLineNumber
    • CVE-2019-11757: Use-after-free when creating index updates in IndexedDB
    • CVE-2019-11758: Potentially exploitable crash due to 360 Total Security
    • CVE-2019-11759: Stack buffer overflow in HKDF output
    • CVE-2019-11760: Stack buffer overflow in WebRTC networking
    • CVE-2019-11761: Unintended access to a privileged JSONView object
    • CVE-2019-11762: document.domain-based origin isolation has same-origin- property violation
    • CVE-2019-11763: Incorrect HTML parsing results in XSS bypass technique
    • CVE-2019-11764: Memory safety bugs fixed in Firefox 70 and Firefox ESR 68.2

Other Issues resolved:

  • [bsc#1104841] Newer versions of firefox have a dependency on GLIBCXX_3.4.20
  • [bsc#1074235] MozillaFirefox: background tab crash reports sent inadvertently without user opt-in
  • [bsc#1043008] Firefox hangs randomly when browsing and scrolling
  • [bsc#1025108] Firefox stops loading page until mouse is moved
  • [bsc#905528] Firefox malfunctions due to broken omni.ja archives
Record
SUSE-SU-2019:14246-1
Updated
2026-11-02
OSVUSN-4796-1 No score

nodejs vulnerabilities

Alexander Minozhenko and James Bunton discovered that Node.js did not properly handle wildcards in name fields of X.509 TLS certificates. An attacker could use this vulnerability to execute a machine-in-the-middle- attack. This issue only affected Ubuntu 14.04 ESM and 16.04 ESM. (CVE-2016-7099)

It was discovered that Node.js incorrectly handled certain NAPTR responses. A remote attacker could possibly use this issue to cause applications using Node.js to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-1000381)

Nikita Skovoroda discovered that Node.js mishandled certain input, leading to an out of bounds write. An attacker could use this vulnerability to cause a denial of service (crash) or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 ESM. (CVE-2018-12115)

Arkadiy Tetelman discovered that Node.js improperly handled certain malformed HTTP requests. An attacker could use this vulnerability to inject unexpected HTTP requests. This issue only affected Ubuntu 18.04 ESM. (CVE-2018-12116)

Jan Maybach discovered that Node.js did not time out if incomplete HTTP/HTTPS headers were received. An attacker could use this vulnerability to cause a denial of service by keeping HTTP/HTTPS connections alive for a long period of time. This issue only affected Ubuntu 18.04 ESM. (CVE-2018-12122)

Martin Bajanik discovered that the url.parse() method would return incorrect results if it received specially crafted input. An attacker could use this vulnerability to spoof the hostname and bypass hostname-specific security controls. This issue only affected Ubuntu 18.04 ESM. (CVE-2018-12123)

It was discovered that Node.js is vulnerable to a DNS rebinding attack which could be exploited to perform remote code execution. An attack is possible from malicious websites open in a web browser with network access to the system running the Node.js process. This issue only affected Ubuntu 18.04 ESM. (CVE-2018-7160)

It was discovered that the Buffer.fill() and Buffer.alloc() methods improperly handled certain inputs. An attacker could use this vulnerability to cause a denial of service. This issue only affected Ubuntu 18.04 ESM. (CVE-2018-7167)

Marco Pracucci discovered that Node.js mishandled HTTP and HTTPS connections. An attacker could use this vulnerability to cause a denial of service. This issue only affected Ubuntu 18.04 ESM. (CVE-2019-5737)

Record
USN-4796-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nodejs
Alpine:v3.8
before 8.14.0-r0
8.14.0-r0
nodejs
Debian:12
before 10.15.0~dfsg-6
10.15.0~dfsg-6
nodejs
Debian:13
before 10.15.0~dfsg-6
10.15.0~dfsg-6
nodejs
Debian:14
before 10.15.0~dfsg-6
10.15.0~dfsg-6
nodejs
Mageia:6
From an advisory covering 13 CVEs
before 6.17.1-8.mga6
6.17.1-8.mga6
http-parser
Mageia:6
From an advisory covering 13 CVEs
before 2.9.2-1.mga6
2.9.2-1.mga6
libuv
Mageia:6
From an advisory covering 13 CVEs
before 1.16.1-1.mga6
1.16.1-1.mga6
rh-nodejs8-nodejs
Red Hat:rhel_software_collections:3::el7
From an advisory covering 6 CVEs
before 0:8.16.0-1.el7
0:8.16.0-1.el7
rh-nodejs8-nodejs-debuginfo
Red Hat:rhel_software_collections:3::el7
From an advisory covering 6 CVEs
before 0:8.16.0-1.el7
0:8.16.0-1.el7
rh-nodejs8-nodejs-devel
Red Hat:rhel_software_collections:3::el7
From an advisory covering 6 CVEs
before 0:8.16.0-1.el7
0:8.16.0-1.el7
Show 27 moreShow less
Affected packages
PackageAffectedFixed
rh-nodejs8-nodejs-docs
Red Hat:rhel_software_collections:3::el7
From an advisory covering 6 CVEs
before 0:8.16.0-1.el7
0:8.16.0-1.el7
rh-nodejs8-npm
Red Hat:rhel_software_collections:3::el7
From an advisory covering 6 CVEs
before 0:6.4.1-8.16.0.1.el7
0:6.4.1-8.16.0.1.el7
nodejs4
SUSE:Linux Enterprise Module for Web and Scripting 12
From an advisory covering 7 CVEs
before 4.9.1-15.17.1
4.9.1-15.17.1
nodejs4
SUSE:Enterprise Storage 4
From an advisory covering 7 CVEs
before 4.9.1-15.17.1
4.9.1-15.17.1
nodejs8
SUSE:Linux Enterprise Module for Web and Scripting 15
From an advisory covering 4 CVEs
before 8.15.0-3.11.1
8.15.0-3.11.1
nodejs6
SUSE:OpenStack Cloud 7
From an advisory covering 7 CVEs
before 6.16.0-11.21.1
6.16.0-11.21.1
nodejs6
SUSE:OpenStack Cloud Crowbar 8
From an advisory covering 7 CVEs
before 6.16.0-11.21.1
6.16.0-11.21.1
nodejs6
SUSE:Linux Enterprise Module for Web and Scripting 12
From an advisory covering 7 CVEs
before 6.16.0-11.21.1
6.16.0-11.21.1
nodejs6
SUSE:Enterprise Storage 4
From an advisory covering 7 CVEs
before 6.16.0-11.21.1
6.16.0-11.21.1
MozillaFirefox
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 68.2.0-78.51.4
68.2.0-78.51.4
MozillaFirefox-branding-SLED
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 68-21.9.8
68-21.9.8
firefox-atk
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 2.26.1-2.8.4
2.26.1-2.8.4
firefox-cairo
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 1.15.10-2.13.4
1.15.10-2.13.4
firefox-gdk-pixbuf
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 2.36.11-2.8.4
2.36.11-2.8.4
firefox-glib2
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 2.54.3-2.14.7
2.54.3-2.14.7
firefox-gtk3
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 3.10.9-2.15.3
3.10.9-2.15.3
firefox-harfbuzz
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 1.7.5-2.7.4
1.7.5-2.7.4
firefox-libffi
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 3.2.1.git259-2.3.3
3.2.1.git259-2.3.3
firefox-libffi-gcc5
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 5.3.1+r233831-14.1
5.3.1+r233831-14.1
firefox-pango
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 1.40.14-2.7.4
1.40.14-2.7.4
mozilla-nspr
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 4.21-29.6.1
4.21-29.6.1
mozilla-nss
SUSE:Linux Enterprise Server 11 SP4-LTSS
From an advisory covering 118 CVEs
before 3.45-38.9.3
3.45-38.9.3
nodejs
Ubuntu:Pro:18.04:LTS
before 8.10.0~dfsg-2ubuntu0.4+esm1, plus listed versions
6.11.4~dfsg-1ubuntu16.11.4~dfsg-1ubuntu26.12.0~dfsg-1ubuntu16.12.0~dfsg-2ubuntu16.12.0~dfsg-2ubuntu2
Show 4 moreShow less
8.10.0~dfsg-28.10.0~dfsg-2ubuntu0.28.10.0~dfsg-2ubuntu0.38.10.0~dfsg-2ubuntu0.4
8.10.0~dfsg-2ubuntu0.4+esm1
nodejs
Ubuntu:Pro:14.04:LTS
From an advisory covering 9 CVEs
before 0.10.25~dfsg2-2ubuntu1.2+esm1, plus listed versions
0.10.15~dfsg1-40.10.21~dfsg1-10.10.22~dfsg1-20.10.23~dfsg1-10.10.23~dfsg1-2
Show 5 moreShow less
0.10.23~dfsg1-30.10.24~dfsg1-10.10.25~dfsg2-20.10.25~dfsg2-2ubuntu10.10.25~dfsg2-2ubuntu1.2
0.10.25~dfsg2-2ubuntu1.2+esm1
nodejs
Ubuntu:Pro:16.04:LTS
From an advisory covering 9 CVEs
before 4.2.6~dfsg-1ubuntu4.2+esm1, plus listed versions
0.10.25~dfsg2-2ubuntu14.2.2~dfsg-14.2.3~dfsg-14.2.4~dfsg-1ubuntu14.2.4~dfsg-2
Show 4 moreShow less
4.2.6~dfsg-1ubuntu14.2.6~dfsg-1ubuntu44.2.6~dfsg-1ubuntu4.14.2.6~dfsg-1ubuntu4.2
4.2.6~dfsg-1ubuntu4.2+esm1
nodejs
Ubuntu:Pro:18.04:LTS
From an advisory covering 9 CVEs
before 8.10.0~dfsg-2ubuntu0.4+esm1, plus listed versions
6.11.4~dfsg-1ubuntu16.11.4~dfsg-1ubuntu26.12.0~dfsg-1ubuntu16.12.0~dfsg-2ubuntu16.12.0~dfsg-2ubuntu2
Show 4 moreShow less
8.10.0~dfsg-28.10.0~dfsg-2ubuntu0.28.10.0~dfsg-2ubuntu0.38.10.0~dfsg-2ubuntu0.4
8.10.0~dfsg-2ubuntu0.4+esm1
nodejs8
openSUSE:Leap 15.0
From an advisory covering 4 CVEs
before 8.15.0-lp150.2.9.1
8.15.0-lp150.2.9.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-12116 is a high vulnerability (CVSS 7.5) in Node.js, published November 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.61%, the 91st percentile. Fixed in nodejs 8.14.0-r0.

References

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Left out here: 106 references. The JSON record has them.

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