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Vulnerability record · CVE-2026-27143 · published 8 April 2026

CVE-2026-27143: Golang go vulnerability

Golang · Go

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.

9.8 CVSS 3.1 Critical EPSS 0.66% · top 50.4%
9.8CVSS 3.1 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
25 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://go.dev/cl/763765 Patch
https://go.dev/issue/78333 Issue Tracking
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU Mailing ListRelease Notes
https://pkg.go.dev/vuln/GO-2026-4868 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-27143), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.