CVE-2016-4556

HIGH

Squid 3.x < 3.5.18 and 4.x < 4.0.10 - Denial of Service via Edge Side Includes Response

Title source: llm
STIX 2.1

Description

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.

References (16)

Core 16
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201607-01
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2995-1
Release Notes, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/05/06/5
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2016:1140
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
Third Party Advisory vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1035770
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2016:1138
Vendor Advisory x_refsource_confirm
http://www.squid-cache.org/Advisories/SQUID-2016_9.txt
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2016:1139
Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/05/06/3
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3625

Scores

CVSS v3 7.5
EPSS 0.2311
EPSS Percentile 97.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (50)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 15.10
canonical/ubuntu_linux 16.04
oracle/linux 6
oracle/linux 7
squid-cache/squid 3.0
squid-cache/squid 3.1
squid-cache/squid 3.1.0.1
squid-cache/squid 3.1.0.2
... and 40 more
Published May 10, 2016
Tracked Since Feb 18, 2026