CVE-2016-9586

Publication date 21 December 2016

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

8.1 · High

Score breakdown

Description

curl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks.

Status

Package Ubuntu Release Status
curl 17.10 artful
Not affected
17.04 zesty
Not affected
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed 7.47.0-1ubuntu2.3
14.04 LTS trusty
Fixed 7.35.0-1ubuntu2.11
12.04 LTS precise Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
curl

Severity score breakdown

Parameter Value
Base score 8.1 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references