CVE-2016-4556

HighCVSS 7.5/10Last 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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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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CVE-2016-4556: High severity, CVSS 7.5 | Vulnix