Improper Validation of Array Index Affecting dex-k8s-authenticator package, versions <1.4.0-r33


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
1.74% (77th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CHAINGUARDLATEST-DEXK8SAUTHENTICATOR-17254059
  • published9 Jun 2026
  • disclosed2 Jan 2021

Introduced: 2 Jan 2021

CVE-2020-28852  (opens in a new tab)
CWE-129  (opens in a new tab)

How to fix?

Upgrade Chainguard dex-k8s-authenticator to version 1.4.0-r33 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dex-k8s-authenticator package and not the dex-k8s-authenticator package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

In x/text in Go before v0.3.5, a "slice bounds out of range" panic occurs in language.ParseAcceptLanguage while processing a BCP 47 tag. (x/text/language is supposed to be able to parse an HTTP Accept-Language header.)

CVSS Base Scores

version 3.1