CVE-2016-4556

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CVSS 3.0

7.5 high

EPSS

23%p98

Published

May 10, 2016 (May 10, 2016)

Modified

Jun 17, 2026

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.

Vendors: squid-cache oracle canonical
Products: squid, linux, ubuntu linux
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (23.1%)

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