CVE-2026-56852: A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

7.5 CVSS 3.1 High EPSS 0.48% · top 61.4% CWE-835 · CWE-835 Deferred

7.5CVSS 3.1 base score

0.48%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

23 Jul 2026Last modified by NVD

Description

A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Link	Tags
https://go.dev/cl/794100
https://go.dev/issue/80142
https://pkg.go.dev/vuln/GO-2026-5970

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Source: NIST National Vulnerability Database (record CVE-2026-56852), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.