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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