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CVE-2021-28651

Public on 2021-05-27
Modified on 2024-01-18
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.

Severity
Medium
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CVSS v3 Base Score
7.4
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 squid 2023-02-17 00:02 ALAS-2023-1687
Amazon Linux 2 - Core squid 2023-02-17 00:11 ALAS2-2023-1950
Amazon Linux 2 - Squid4 Extra squid 2023-08-21 20:59 ALAS2SQUID4-2023-004

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H