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CVE-2016-9586

Published: 21 December 2016

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.

Priority

Low

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
curl
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
upstream
Released (7.52.0)
artful Not vulnerable
(7.52.1-5ubuntu1)
trusty
Released (7.35.0-1ubuntu2.11)
xenial
Released (7.47.0-1ubuntu2.3)
yakkety Ignored
(end of life)
zesty Not vulnerable
(7.52.1-4ubuntu1.1)
Patches:
upstream: https://github.com/curl/curl/commit/3ab3c16db6a5674f53cf23d56512a405fde0b2c9
upstream: https://curl.haxx.se/CVE-2016-9586.patch

Severity score breakdown

Parameter Value
Base score 8.1
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