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CVE-2022-41318

squid: buffer-over-read in SSPI and SMB authentication

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Severity

Important

Red Hat Product Security

8.6

CVSS 3.1

Review impact separately from score.

Published · September 23, 2022

Updated · November 21, 2025

Description

A flaw was found in Squid. An incorrect integer overflow protection in the Squid SSPI and SMB authentication helpers is vulnerable to a buffer overflow attack, resulting in information disclosure.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Disable use of the vulnerable authentication scheme.

CVSS / CWE

CVSS 3.1 · 8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CWE-126 · Buffer Over-read