9.8Crítica

CVE-2026-27143Missing bound checks can lead to memory corruption in safe Go in cmd/compile

Go toolchain cmd/compile Publicada: 2026-04-08 04:06 (hace 7 meses)

Descripción

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.

Debilidad (CWE): CWE-190

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Fabricante	Producto	Versiones
Go toolchain	cmd/compile	< 1.25.9, 1.26.0-0 – < 1.26.2
golang	go	< 1.25.9

Referencias y parches

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

Coincidencias CPE (NVD) (2)

cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* < 1.25.9
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* ≥ 1.26.0 < 1.26.2

Puntuación CVSS

9.8Crítica

Fuente: CISA-ADP · CVSS 3.1

Vector de ataque: Red
Complejidad: Baja
Privilegios: Ninguno
Interacción del usuario: Ninguna
Alcance: Sin cambio
Confidencialidad: Alto
Integridad: Alto
Disponibilidad: Alto

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

Todas las puntuaciones (3)

CISA-ADP	CVSS 3.1	9.8Crítica
nvd	CVSS 3.1	9.8Crítica
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	9.8Crítica

EPSS (probabilidad de explotación en 30 días)

0.55%

superior al 46 % de todas las CVE

Evaluación de CISA (SSVC)

Explotación: none
Automatizable: yes
Impacto técnico: total

Cronología

ID reservado2026-02-17
Publicada2026-04-08 04:06
Llegó a IP-DB2026-10-24 23:45
Última actualización2026-07-25 14:10

Asignada por (CNA): Go
Estado en NVD: Analyzed

Ver en la fuente: CVE.org · NVD

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