CVE-2017-8816

Publication date 29 November 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The NTLM authentication feature in curl and libcurl before 7.57.0 on 32-bit platforms allows attackers to cause a denial of service (integer overflow and resultant buffer overflow, and application crash) or possibly have unspecified other impact via vectors involving long user and password fields.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
curl	17.10 artful	Fixed 7.55.1-1ubuntu2.2
	17.04 zesty	Fixed 7.52.1-4ubuntu1.4
	16.04 LTS xenial	Fixed 7.47.0-1ubuntu2.5
	14.04 LTS trusty	Not affected

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3498-1
curl vulnerabilities
29 November 2017