CVE-2016-4554

HIGH 8.6CVE-2016-4554 · Published 10/05/2016 · updated 17/06/2026

Package	Affected versions	Patched versions
squid squid-cache	`≤ 3.5.17`	No fix yet

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.

References

lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
debian.org/security/2016/dsa-3625
oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html · Third Party Advisory
securitytracker.com/id/1035769 · Third Party Advisory
squid-cache.org/Advisories/SQUID-2016_8.txt · Vendor Advisory
squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch · Patch
squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch · Patch
squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch · Patch
squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch · Patch
squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch · Patch
ubuntu.com/usn/USN-2995-1 · Third Party Advisory
access.redhat.com/errata/RHSA-2016:1138
access.redhat.com/errata/RHSA-2016:1139
access.redhat.com/errata/RHSA-2016:1140
security.gentoo.org/glsa/201607-01

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