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CVE-2016-4556

Date: May 10, 2016

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.

Language: C++

Severity Score

Related Resources (21)

http://www.debian.org/security/2016/dsa-3625
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
https://nvd.nist.gov/vuln/detail/CVE-2016-4556
http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_9.patch
https://access.redhat.com/errata/RHSA-2016:1140
http://www.openwall.com/lists/oss-security/2016/05/06/3
https://security-tracker.debian.org/tracker/CVE-2016-4556
http://www.openwall.com/lists/oss-security/2016/05/06/5
https://security.gentoo.org/glsa/201607-01
https://access.redhat.com/security/cve/CVE-2016-4556
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_9.patch
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
http://www.ubuntu.com/usn/USN-2995-1
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
http://www.securitytracker.com/id/1035770
http://www.squid-cache.org/Advisories/SQUID-2016_9.txt
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
https://access.redhat.com/errata/RHSA-2016:1138
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-4556
https://access.redhat.com/errata/RHSA-2016:1139
https://www.mend.io/vulnerability-database/CVE-2016-4556

Severity Score

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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