CVE-2026-56852 | A norm.Iter can enter an infinite loop when handling input c… | CVSS 7.5 HIGH

Description

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

CVE ID: CVE-2026-56852
State: PUBLISHED
Assigner: Go
Reserved: 2026-06-23 15:10 UTC
Published: 2026-07-21 19:18 UTC
Last updated: 2026-07-23 13:26 UTC
Primary CWE: CWE-835
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop…
Vendor / Product: golang.org/x/text / golang.org/x/text/unicode/norm
Sources: cve.org · NVD

7.5 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Affected products (1)

Vendor	Product	Platform	Versions
golang.org/x/text	golang.org/x/text/unicode/norm	—	0 < 0.39.0

Weakness (CWE)

CWE	Source	Description
—	cna	CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-835	adp	CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.5	HIGH	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (3)