CVE-2018-1000168

Publication date 12 April 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
nghttp2	18.04 LTS bionic	Fixed 1.30.0-1ubuntu1
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

mdeslaur

Affected versions: nghttp2 >= 1.10.0 and nghttp2 <= v1.31.0

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H