Improper Validation of Array Index Affecting golang-golang-x-text package, versions <0.3.6-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
2.33% (83rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-GOLANGGOLANGXTEXT-18234784
  • published23 Jul 2026
  • disclosed2 Jan 2021

Introduced: 2 Jan 2021

CVE-2020-28851  (opens in a new tab)
CWE-129  (opens in a new tab)

How to fix?

Upgrade Echo:latest golang-golang-x-text to version 0.3.6-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-golang-x-text package and not the golang-golang-x-text package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

In x/text in Go 1.15.4, an "index out of range" panic occurs in language.ParseAcceptLanguage while parsing the -u- extension. (x/text/language is supposed to be able to parse an HTTP Accept-Language header.)

CVSS Base Scores

version 3.1