CVE-2018-1000168

Aliases:DEBIAN-CVE-2018-1000168
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 08 May 2018, 15:00
Last modified:09 Jun 2025, 15:47

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
10.65% MEDIUM
11% probability +7.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 May 2018, 15:00
Published
Vulnerability first disclosed
09 Jun 2025, 15:47
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 10.65%• Percentile: 96%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•nghttp2

    < 1.31.1-1 | < 1.31.1-1 | < 1.31.1-1 | < 1.31.1-1

  • debian•debian_linux

    9.0

  • nghttp2•nghttp2

    ≥ 1.10.0, ≤ 1.31.0

  • nodejs•node.js

    ≥ 6.0.0, ≤ 6.8.1 | ≥ 8.4.0, ≤ 8.17.0 | ≥ 9.0.0, ≤ 9.11.2 | ≥ 10.0.0, < 10.4.1

References (7)