CVE-2016-4556
Summary
| CVE | CVE-2016-4556 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-05-10 19:59:03 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types: NVD-CWE-Other | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 15.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Oracle | Linux | 6 | All | All | All |
| Operating System | Oracle | Linux | 7 | All | All | All |
| Application | Squid-cache | Squid | 3.0 | All | All | All |
| Application | Squid-cache | Squid | 3.1 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.1 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.10 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.11 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.12 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.13 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.14 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.15 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.16 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.17 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.18 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.2 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.3 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.4 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.5 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.6 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.7 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.8 | All | All | All |
| Application | Squid-cache | Squid | 3.1.0.9 | All | All | All |
| Application | Squid-cache | Squid | 3.1.1 | All | All | All |
| Application | Squid-cache | Squid | 3.1.10 | All | All | All |
| Application | Squid-cache | Squid | 3.1.11 | All | All | All |
| Application | Squid-cache | Squid | 3.1.12 | All | All | All |
| Application | Squid-cache | Squid | 3.1.12.1 | All | All | All |
| Application | Squid-cache | Squid | 3.1.12.2 | All | All | All |
| Application | Squid-cache | Squid | 3.1.12.3 | All | All | All |
| Application | Squid-cache | Squid | 3.1.13 | All | All | All |
| Application | Squid-cache | Squid | 3.1.14 | All | All | All |
| Application | Squid-cache | Squid | 3.1.15 | All | All | All |
| Application | Squid-cache | Squid | 3.1.16 | All | All | All |
| Application | Squid-cache | Squid | 3.1.17 | All | All | All |
| Application | Squid-cache | Squid | 3.1.18 | All | All | All |
| Application | Squid-cache | Squid | 3.1.19 | All | All | All |
| Application | Squid-cache | Squid | 3.1.2 | All | All | All |
| Application | Squid-cache | Squid | 3.1.20 | All | All | All |
| Application | Squid-cache | Squid | 3.1.21 | All | All | All |
| Application | Squid-cache | Squid | 3.1.22 | All | All | All |
| Application | Squid-cache | Squid | 3.1.3 | All | All | All |
| Application | Squid-cache | Squid | 3.1.4 | All | All | All |
| Application | Squid-cache | Squid | 3.1.5 | All | All | All |
| Application | Squid-cache | Squid | 3.1.5.1 | All | All | All |
| Application | Squid-cache | Squid | 3.1.6 | All | All | All |
| Application | Squid-cache | Squid | 3.1.7 | All | All | All |
| Application | Squid-cache | Squid | 3.1.8 | All | All | All |
| Application | Squid-cache | Squid | 3.1.9 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.1 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.10 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.11 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.12 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.13 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.14 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.15 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.16 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.17 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.18 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.19 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.2 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.3 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.4 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.5 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.6 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.7 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.8 | All | All | All |
| Application | Squid-cache | Squid | 3.2.0.9 | All | All | All |
| Application | Squid-cache | Squid | 3.2.1 | All | All | All |
| Application | Squid-cache | Squid | 3.2.10 | All | All | All |
| Application | Squid-cache | Squid | 3.2.11 | All | All | All |
| Application | Squid-cache | Squid | 3.2.12 | All | All | All |
| Application | Squid-cache | Squid | 3.2.13 | All | All | All |
| Application | Squid-cache | Squid | 3.2.2 | All | All | All |
| Application | Squid-cache | Squid | 3.2.3 | All | All | All |
| Application | Squid-cache | Squid | 3.2.4 | All | All | All |
| Application | Squid-cache | Squid | 3.2.5 | All | All | All |
| Application | Squid-cache | Squid | 3.2.6 | All | All | All |
| Application | Squid-cache | Squid | 3.2.7 | All | All | All |
| Application | Squid-cache | Squid | 3.2.8 | All | All | All |
| Application | Squid-cache | Squid | 3.2.9 | All | All | All |
| Application | Squid-cache | Squid | 3.3.0 | All | All | All |
| Application | Squid-cache | Squid | 3.3.0.1 | All | All | All |
| Application | Squid-cache | Squid | 3.3.0.2 | All | All | All |
| Application | Squid-cache | Squid | 3.3.0.3 | All | All | All |
| Application | Squid-cache | Squid | 3.3.1 | All | All | All |
| Application | Squid-cache | Squid | 3.3.10 | All | All | All |
| Application | Squid-cache | Squid | 3.3.11 | All | All | All |
| Application | Squid-cache | Squid | 3.3.12 | All | All | All |
| Application | Squid-cache | Squid | 3.3.13 | All | All | All |
| Application | Squid-cache | Squid | 3.3.14 | All | All | All |
| Application | Squid-cache | Squid | 3.3.2 | All | All | All |
| Application | Squid-cache | Squid | 3.3.3 | All | All | All |
| Application | Squid-cache | Squid | 3.3.4 | All | All | All |
| Application | Squid-cache | Squid | 3.3.5 | All | All | All |
| Application | Squid-cache | Squid | 3.3.6 | All | All | All |
| Application | Squid-cache | Squid | 3.3.7 | All | All | All |
| Application | Squid-cache | Squid | 3.3.8 | All | All | All |
| Application | Squid-cache | Squid | 3.3.9 | All | All | All |
| Application | Squid-cache | Squid | 3.4.0.1 | All | All | All |
| Application | Squid-cache | Squid | 3.4.0.2 | All | All | All |
| Application | Squid-cache | Squid | 3.4.0.3 | All | All | All |
| Application | Squid-cache | Squid | 3.4.1 | All | All | All |
| Application | Squid-cache | Squid | 3.4.10 | All | All | All |
| Application | Squid-cache | Squid | 3.4.11 | All | All | All |
| Application | Squid-cache | Squid | 3.4.12 | All | All | All |
| Application | Squid-cache | Squid | 3.4.13 | All | All | All |
| Application | Squid-cache | Squid | 3.4.14 | All | All | All |
| Application | Squid-cache | Squid | 3.4.2 | All | All | All |
| Application | Squid-cache | Squid | 3.4.3 | All | All | All |
| Application | Squid-cache | Squid | 3.4.4 | All | All | All |
| Application | Squid-cache | Squid | 3.4.4.1 | All | All | All |
| Application | Squid-cache | Squid | 3.4.4.2 | All | All | All |
| Application | Squid-cache | Squid | 3.4.8 | All | All | All |
| Application | Squid-cache | Squid | 3.4.9 | All | All | All |
| Application | Squid-cache | Squid | 3.5.0.1 | All | All | All |
| Application | Squid-cache | Squid | 3.5.0.2 | All | All | All |
| Application | Squid-cache | Squid | 3.5.0.3 | All | All | All |
| Application | Squid-cache | Squid | 3.5.0.4 | All | All | All |
| Application | Squid-cache | Squid | 3.5.1 | All | All | All |
| Application | Squid-cache | Squid | 3.5.10 | All | All | All |
| Application | Squid-cache | Squid | 3.5.11 | All | All | All |
| Application | Squid-cache | Squid | 3.5.12 | All | All | All |
| Application | Squid-cache | Squid | 3.5.13 | All | All | All |
| Application | Squid-cache | Squid | 3.5.14 | All | All | All |
| Application | Squid-cache | Squid | 3.5.15 | All | All | All |
| Application | Squid-cache | Squid | 3.5.16 | All | All | All |
| Application | Squid-cache | Squid | 3.5.17 | All | All | All |
| Application | Squid-cache | Squid | 3.5.2 | All | All | All |
| Application | Squid-cache | Squid | 3.5.3 | All | All | All |
| Application | Squid-cache | Squid | 3.5.4 | All | All | All |
| Application | Squid-cache | Squid | 3.5.5 | All | All | All |
| Application | Squid-cache | Squid | 3.5.6 | All | All | All |
| Application | Squid-cache | Squid | 3.5.7 | All | All | All |
| Application | Squid-cache | Squid | 3.5.8 | All | All | All |
| Application | Squid-cache | Squid | 3.5.9 | All | All | All |
| Application | Squid-cache | Squid | 4.0.1 | All | All | All |
| Application | Squid-cache | Squid | 4.0.2 | All | All | All |
| Application | Squid-cache | Squid | 4.0.3 | All | All | All |
| Application | Squid-cache | Squid | 4.0.4 | All | All | All |
| Application | Squid-cache | Squid | 4.0.5 | All | All | All |
| Application | Squid-cache | Squid | 4.0.6 | All | All | All |
| Application | Squid-cache | Squid | 4.0.7 | All | All | All |
| Application | Squid-cache | Squid | 4.0.8 | All | All | All |
| Application | Squid-cache | Squid | 4.0.9 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Squid ESI Response Processing Bugs Let Remote Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory |
| oss-security - CVE Request: Squid HTTP caching proxy | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Third Party Advisory |
| openSUSE-SU-2016:2081-1: moderate: Security update for squid | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Squid: Multiple vulnerabilities (GLSA 201607-01) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_9.patch | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | |
| oss-security - Re: CVE Request: Squid HTTP caching proxy | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Release Notes, Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| [security-announce] SUSE-SU-2016:1996-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_9.patch | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Patch |
| www.squid-cache.org/Advisories/SQUID-2016_9.txt | af854a3a-2127-422b-91ae-364da2661108 | www.squid-cache.org | Vendor Advisory |
| USN-2995-1: Squid vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| Oracle Linux Bulletin - April 2016 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | Third Party Advisory |
| Debian -- Security Information -- DSA-3625-1 squid3 | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| [security-announce] SUSE-SU-2016:2089-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.