CVE-2025-61731
Arbitrary file write using cgo pkg-config directive in cmd/go
- State
- Published
- Severity
- 7.8 High
- Published
- Jan 28, 2026
- Updated
- Sep 10, 2026
- Reserved
- Sep 30, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| 3.1 | 8.6 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | redhat-SADP |
Weaknesses
- CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Affected Products
| Product | Versions |
|---|---|
cmd/goGo toolchain |
|
References
- https://go.dev/cl/736711
- https://go.dev/issue/77100
- https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc
- https://pkg.go.dev/vuln/GO-2026-4339
- https://access.redhat.com/security/cve/CVE-2025-61731vdb-entry
- RHBZ#2434433issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61731.json
- https://access.redhat.com/errata/RHSA-2026:5943vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:5941vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:6949vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7878vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7879vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7876vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7877vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7883vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7833vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7834vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:5944vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:5942vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7385vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7291vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:12282vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:14100vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:21691vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:15091vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:14774vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:20088vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:17598vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:12118vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:8448vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13736vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:4434vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:3855vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:3559vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:3556vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:5948vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:5950vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:5952vendor-advisory
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