CVE-2026-27143

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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:golang:go::::::::
	cpe:2.3:a:golang:go::::::::

History

16 Apr 2026, 19:20

Type	Values Removed	Values Added
CWE		NVD-CWE-Other
CPE		cpe:2.3:a:golang:go::::::::
First Time		Golang go Golang
References	~~() https://go.dev/cl/763765 -~~	() https://go.dev/cl/763765 - Patch
References	~~() https://go.dev/issue/78333 -~~	() https://go.dev/issue/78333 - Issue Tracking
References	~~() https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU -~~	() https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU - Release Notes, Mailing List
References	~~() https://pkg.go.dev/vuln/GO-2026-4868 -~~	() https://pkg.go.dev/vuln/GO-2026-4868 - Vendor Advisory

13 Apr 2026, 19:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

08 Apr 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-08 02:16

Updated : 2026-04-16 19:20

NVD link : CVE-2026-27143

Mitre link : CVE-2026-27143

CVE.ORG link : CVE-2026-27143

JSON object : View

Products Affected

golang

go

CWE

NVD-CWE-Other

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