GO-2026-4339
Arbitrary file write using cgo pkg-config directive in cmd/go
At a glance
- Published
- Updated
- CVE
- CVE-2025-61731
- Aliases
- BIT-golang-2025-61731
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.
Affected packages
| Package | Versions |
|---|---|
| Go · toolchain | introduced 0, fixed 1.24.12, introduced 1.25.0, fixed 1.25.6 |
References
- https://go.dev/cl/736711 FIX
- https://go.dev/issue/77100 REPORT
- https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |