---
id: CVE-2025-61732
title: >-
  A discrepancy between how Go and C/C++ comments were parsed allowed for code
  smuggling into the resulting cgo binary.
summary: >-
  A discrepancy between how Go and C/C++ comments were parsed allowed for code
  smuggling into the resulting cgo binary.
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-94
vendor: golang
product: go
affected:
  - go < 1.24.13
  - 'go >= 1.25.0, < 1.25.7'
patched:
  - go 1.25.7
published: '2026-02-05'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T13:17:16.423'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-61732'
references:
  - url: 'https://go.dev/cl/734220'
    label: security@golang.org
  - url: 'https://go.dev/issue/76697'
    label: security@golang.org
  - url: 'https://groups.google.com/g/golang-announce/c/K09ubi9FQFk'
    label: security@golang.org
  - url: 'https://pkg.go.dev/vuln/GO-2026-4433'
    label: security@golang.org
  - url: 'https://access.redhat.com/errata/RHSA-2026:10104'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:12282'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:14100'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:14774'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:15091'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:17598'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:2706'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:2708'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:7291'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:7385'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:8448'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/security/cve/CVE-2025-61732'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2437016'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61732.json
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:5133'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:5907'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-02-05T14:56:35.952364Z'
epss: 0.00491
epssPercentile: 0.39562
ingestedAt: '2026-07-03T18:53:52.172Z'
---

## Overview

A discrepancy between how Go and C/C++ comments were parsed allowed for code smuggling into the resulting cgo binary.

## Affected

- `go < 1.24.13`
- `go >= 1.25.0, < 1.25.7`

## Remediation

Upgrade past the affected range:

- `go 1.25.7`