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CVE-2020-28852

golang.org/x/text: Panic in language.ParseAcceptLanguage while processing bcp47 tag

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · January 2, 2021

Updated · November 4, 2026

Description

A flaw was found in golang.org. In x/text, a "slice bounds out of range" panic occurs in language.ParseAcceptLanguage while processing a BCP 47 tag.

Statement

Below Red Hat products include the affected version of 'golang.org/x/text', however the language package is not being used and hence they are rated as having a security impact of Low. A future update may address this issue.

  • Red Hat OpenShift Container Storage 4
  • OpenShift ServiceMesh (OSSM)
  • Red Hat Gluster Storage 3
  • Windows Container Support for Red Hat OpenShift

Only three components in OpenShift Container Platform include the affected package, 'golang.org/x/text/language' , the installer, baremetal installer and thanos container images. All other components that include a version of 'golang.org/x/text' do not include the 'language' package and are therefore not affected.

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:N/A:H

CWE-129 · Improper Validation of Array Index