CVE-2016-8617

Publication date 2 November 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The base64 encode function in curl before version 7.51.0 is prone to a buffer being under allocated in 32bit systems if it receives at least 1Gb as input via `CURLOPT_USERNAME`.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
curl	17.04 zesty	Fixed 7.50.1-1ubuntu2
	16.10 yakkety	Fixed 7.50.1-1ubuntu1.1
	16.04 LTS xenial	Fixed 7.47.0-1ubuntu2.2
	14.04 LTS trusty	Fixed 7.35.0-1ubuntu2.10
	12.04 LTS precise	Fixed 7.22.0-3ubuntu4.17

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.0 · High

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	7.0 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3123-1
curl vulnerabilities
3 November 2016