VULNERABILITY INTELLIGENCE

CVE-2018-1000168

CVSS score7.5 HIGH
EPSS probability10.58%
CISA KEVNot currently listed
Published2018-05-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-20: Improper Input Validation
  • CWE-476: NULL Pointer Dereference

Primary references