Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2016-4556

Publication date 10 May 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.

Read the notes from the security team

Status

Package Ubuntu Release Status
squid3 16.04 LTS xenial
Fixed 3.5.12-1ubuntu7.2
15.10 wily
Fixed 3.3.8-1ubuntu16.3
14.04 LTS trusty
Fixed 3.3.8-1ubuntu6.8
12.04 LTS precise
Fixed 3.1.19-1ubuntu3.12.04.7

Notes

mdeslaur

same fixes as CVE-2016-4555

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references