CVE-2020-28852: Golang Text

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

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.)

Affected products

• Golang Text: before 0.3.5 (fixed in 0.3.5)

Published 2021-01-02. Last modified 2026-06-17.