What’s Vulnerable › Vulnerabilities

CVE-2018-1000168

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-08 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• Debian Linux: 9.0
• nghttp2: from 1.10.0 through 1.31.0
• Node.js: from 6.0.0 through 6.8.1; from 8.4.0 through 8.17.0; from 9.0.0 through 9.11.2; from 10.0.0 before 10.4.1 — fixed in 10.4.1

How to fix

Upgrade to a fixed version: Node.js 10.4.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/103952
• https://access.redhat.com/errata/RHSA-2019:0366
• https://access.redhat.com/errata/RHSA-2019:0367
• https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
• https://nghttp2.org/blog/2018/04/12/nghttp2-v1-31-1/
• https://nodejs.org/en/blog/vulnerability/june-2018-security-releases/
• http://www.securityfocus.com/bid/103952
• https://access.redhat.com/errata/RHSA-2019:0366
• https://access.redhat.com/errata/RHSA-2019:0367
• https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
• https://nghttp2.org/blog/2018/04/12/nghttp2-v1-31-1/
• https://nodejs.org/en/blog/vulnerability/june-2018-security-releases/

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