CVE-2016-7167

Publication date 7 October 2016

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.

Status

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

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 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)

Other references