Vulnerability in Golang Text

CVE-2020-28852

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.)

EPSS: 0.017 (74.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-28852?
CVE-2020-28852 is a high-severity vulnerability in Golang Text, classified under Improper Validation of Array Index. CVSS score: 7.5/10. Published 2021-01-02.
How severe is CVE-2020-28852?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-28852 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.