CVE-2021-31806 - CVE House
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Status published Medium CVE-2021-31806

An issue was discovered in Squid before 4.15 and 5.x...

Vulnerability Description

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.

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.

Affected Vendor

squid-cache

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Affected Software

squid, debian linux, fedora, cloud manager
Vulnerable Versions:
0, 5.0, 9.0, 10.0, 33, 34

Timeline

Official Publish: May 27th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.