CVE-2026-27143

CRITICAL

9.8

Description

Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/8/2026

Last Modified4/16/2026

Sourcenvd

Honeypot Sightings0

Affected Products

golang:go

References

https://go.dev/cl/763765(security@golang.org)

https://go.dev/issue/78333(security@golang.org)

https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU(security@golang.org)

https://pkg.go.dev/vuln/GO-2026-4868(security@golang.org)

IOC Correlations

No correlations recorded

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