CVE-2016-4054

Publication date 25 April 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Buffer overflow in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allows remote attackers to execute arbitrary code via crafted Edge Side Includes (ESI) responses.

Read the notes from the security team

Status

Show unmaintained releases

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

How can I get the fixes?
What do statuses mean?

Notes

mdeslaur

same patches as CVE-2016-4052

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

MITRE
NVD
Launchpad
Debian

Related Ubuntu Security Notices (USN)

USN-2995-1
Squid vulnerabilities
9 June 2016

Other references

https://marc.info/?l=oss-security&m=146116724827962&w=2
https://www.cve.org/CVERecord?id=CVE-2016-4054