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TI-2018-15818 Aliases CVE-2018-1000168GHSA-q6fc-wp2r-hvq3

nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation…

Priority MEDIUM 52CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability appears to have been fixed in >= 1.31.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.1058 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:nghttp2:nghttp2:*:*:*:*:*:*:*:*1.10.0 – 1.31.0Vulnerablenghttp2
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*6.0.0 – 6.8.1VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*8.4.0 – 8.17.0VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*9.0.0 – 9.11.2VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*10.0.0 to before 10.4.1VulnerableNodeJS
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:nghttp2:nghttp2:*:*:*:*:*:*:*:* Versions 1.10.0 – 1.31.0 Vulnerable ·nghttp2
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 6.0.0 – 6.8.1 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* Versions 8.4.0 – 8.17.0 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:* Versions 9.0.0 – 9.11.2 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 10.0.0 to before 10.4.1 Vulnerable ·NodeJS
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Red Hat 2 advisories

  • RHSA-2019:0367 Released 2019-02-18 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.29 security update
    • Red Hat JBoss Core Services on RHEL 6 Server jbcs-httpd24-1-6.jbcs.el6, jbcs-httpd24-apache-commons-daemon-jsvc-1:1.1.0-3.redhat_2.jbcs.el6, jbcs-httpd24-apr-1.6.3-31.jbcs.el6 +31
    • Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-1-6.jbcs.el7, jbcs-httpd24-apache-commons-daemon-jsvc-1:1.1.0-3.redhat_2.jbcs.el7, jbcs-httpd24-apr-1.6.3-31.jbcs.el7 +31
  • RHSA-2019:0366 Released 2019-02-18 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.29 SP1 security update
    • Red Hat JBoss Core Services

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat JBoss Core ServicesFixed RHSA-2019:0366
Red Hat JBoss Core Services on RHEL 6 ServerFixed RHSA-2019:0367
Red Hat JBoss Core Services on RHEL 7 ServerFixed RHSA-2019:0367
Not affected: 2 products
  • Red Hat Enterprise Linux 8
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000168
  2. 2026-10-03 Alias added: GHSA-q6fc-wp2r-hvq3

References

Advisory 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences