CVE-2016-4553

HighCVSS 8.6/10Last modified Jun 17, 2026

Description

client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.

Metrics

CVSS 3.0 8.6/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Weakness enumeration

CWE-345

Affected software

No affected versions have been published.

Timeline

Published: May 10, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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