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CVE-2021-28116

squid: out-of-bounds read in WCCP protocol data may lead to information disclosure

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · February 9, 2021

Updated · February 25, 2026

Description

A flaw was found in squid. An out-of-bounds read in the WCCP protocol can be leveraged as part of a chain for remote code execution leading to an information disclosure. The highest threat from this vulnerability is to data confidentiality.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE-125 · Out-of-bounds Read