CVE-2019-18677 - CVE House
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Status published Medium CVE-2019-18677

An issue was discovered in Squid 3.x and 4.x through...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

squid-cache

View all reports →

Affected Software

squid, ubuntu linux, fedora
Vulnerable Versions:
2.0, 3.0, 4.0, 2.7, 16.04, 18.04, 19.04, 19.10, 30, 31

Timeline

Official Publish: November 26th, 2019
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.