CVE-2021-4047

haproxy: Incomplete fix for CVE-2021-39242 in OpenShift 4.9

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · November 30, 2021

Updated · November 22, 2025

Description

The release of OpenShift 4.9.6 included four CVE fixes for the haproxy package, however the patch for CVE-2021-39242 was missing. This issue was only affects OpenShift 4.9.

Statement

The fix for the original CVE is correctly included in OpenShift 4.9.11.

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 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE-20 · Improper Input Validation