Infinite loop on invalid input in golang.org/x/text

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Summary

CVECVE-2026-56852
StatePUBLISHED
AssignerGo
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-21 20:17:02 UTC
Updated2026-07-21 20:17:02 UTC
DescriptionA norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

Risk And Classification

Problem Types: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Golang.orgxtext Golang.org/x/text/unicode/norm affected 0.39.0 semver Not specified

References

ReferenceSourceLinkTags
go.dev/cl/794100 [email protected] go.dev
go.dev/issue/80142 [email protected] go.dev
pkg.go.dev/vuln/GO-2026-5970 [email protected] pkg.go.dev
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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