CVE-2021-31807

Public on 2021-06-08
Modified on 2024-07-11
Description
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 squid 2023-02-17 ALAS-2023-1687 Fixed
Amazon Linux 2 - Core squid 2023-02-17 ALAS2-2023-1950 Fixed
Amazon Linux 2 - Squid4 Extra squid 2023-08-21 ALAS2SQUID4-2023-004 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H