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CVE-2025-61732— Potential code smuggling via doc comments in cmd/cgo

Quick assessment

Affected
Go toolchain cmd/cgo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于Go和C/C++注释解析方式存在差异，可能导致代码被走私到生成的cgo二进制文件中。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1195 · Supply Chain Compromise

Affected Version Matrix 2

VendorProduct Version RangeStatus
Go toolchain cmd/cgo < 1.24.13 affected
1.25.0-0< 1.25.7 affected
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I. Basic Information for CVE-2025-61732

Vulnerability Information
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Vulnerability Title
Potential code smuggling via doc comments in cmd/cgo
Source: CVE Program / CVE List V5
Vulnerability Description
A discrepancy between how Go and C/C++ comments were parsed allowed for code smuggling into the resulting cgo binary.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于Go和C/C++注释解析方式存在差异，可能导致代码被走私到生成的cgo二进制文件中。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Go toolchain cmd/cgo 0 ~ 1.24.13 -

II. Public POCs for CVE-2025-61732

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III. Intelligence Information for CVE-2025-61732

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IV. Related Vulnerabilities

Same vendor: Go toolchain

V. Comments for CVE-2025-61732

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