CVE-2016-4554

8.6 HIGH
Published: May 10, 2016 Modified: May 06, 2026
View on NVD

Description

mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
Source: cve@mitre.org
http://www.debian.org/security/2016/dsa-3625
Source: cve@mitre.org
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Source: cve@mitre.org
Third Party Advisory
http://www.securitytracker.com/id/1035769
Source: cve@mitre.org
Third Party Advisory
http://www.squid-cache.org/Advisories/SQUID-2016_8.txt
Source: cve@mitre.org
Vendor Advisory
http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch
Source: cve@mitre.org
Patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch
Source: cve@mitre.org
Patch
http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch
Source: cve@mitre.org
Patch
http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch
Source: cve@mitre.org
Patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch
Source: cve@mitre.org
Patch
http://www.ubuntu.com/usn/USN-2995-1
Source: cve@mitre.org
Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1138
Source: cve@mitre.org
https://access.redhat.com/errata/RHSA-2016:1139
Source: cve@mitre.org
https://access.redhat.com/errata/RHSA-2016:1140
Source: cve@mitre.org
https://security.gentoo.org/glsa/201607-01
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3625
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securitytracker.com/id/1035769
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.squid-cache.org/Advisories/SQUID-2016_8.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.ubuntu.com/usn/USN-2995-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1138
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2016:1139
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2016:1140
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201607-01
Source: af854a3a-2127-422b-91ae-364da2661108

34 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.6 / 10.0
EPSS (Exploit Probability)
68.9%
99th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-345

Affected Vendors

oracle squid-cache canonical

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