Code Smuggling Vulnerability in Go and C/C++ Parsing Affecting Go Applications
CVE-2025-61732
8.6HIGH
What is CVE-2025-61732?
A parsing inconsistency between the Go and C/C++ comment syntaxes has introduced a vulnerability that allows malicious code to be smuggled into the cgo binaries generated by Go applications. This issue arises when comments are processed differently in these languages, potentially leading to unintended execution of harmful code. Developers using Go in conjunction with C/C++ must be aware of this security flaw and implement appropriate measures to safeguard their applications.
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Affected Version(s)
cmd/cgo 0 < 1.24.13
cmd/cgo 1.25.0-0 < 1.25.7
References
CVSS V3.1
Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed
Timeline
Vulnerability published
Vulnerability Reserved
Credit
RyotaK (https://ryotak.net) of GMO Flatt Security Inc.