Vulnerability Description
Building a malicious file with cmd/go can cause can cause a write to an attacker-controlled file with partial control of the file content. The "#cgo pkg-config:" directive in a Go source file provides command-line arguments to provide to the Go pkg-config command. An attacker can provide a "--log-file" argument to this directive, causing pkg-config to write to an attacker-controlled location.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.24.12 |
References
- https://go.dev/cl/736711Patch
- https://go.dev/issue/77100Issue Tracking
- https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUcRelease NotesMailing List
- https://pkg.go.dev/vuln/GO-2026-4339Vendor Advisory
FAQ
What is CVE-2025-61731?
CVE-2025-61731 is a vulnerability with a CVSS score of 7.8 (HIGH). Building a malicious file with cmd/go can cause can cause a write to an attacker-controlled file with partial control of the file content. The "#cgo pkg-config:" directive in a Go source file provides...
How severe is CVE-2025-61731?
CVE-2025-61731 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-61731?
Check the references section above for vendor advisories and patch information. Affected products include: Golang Go.