CVE-2019-18677

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-352

Affected software

No affected versions have been published.

Timeline

Published: Nov 26, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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