CVE-2021-28651 - CVE House
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Status published High CVE-2021-28651

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 buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.

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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CVE-2024-45802
Squid Denial of Service
High 7.5
CVE-2024-37894
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CVE-2024-25617
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Medium 5.3

Affected Vendor

squid-cache

View all reports →

Affected Software

squid, debian linux, fedora, cloud manager
Vulnerable Versions:
2.0, 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:N/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.