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.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Go toolchain | cmd/go | < 1.24.12; >= 1.25.0, < 1.25.6 |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | — |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — |
| Red Hat | Red Hat Hardened Images | — |
| Red Hat | Red Hat Hardened Images | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — |
References
- https://go.dev/cl/736711Patch
- https://go.dev/issue/77100Issue Tracking
- https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUcMailing List, Release Notes
- https://pkg.go.dev/vuln/GO-2026-4339Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:12118
- https://access.redhat.com/errata/RHSA-2026:12282
- https://access.redhat.com/errata/RHSA-2026:13736
- https://access.redhat.com/errata/RHSA-2026:14100
- https://access.redhat.com/errata/RHSA-2026:14774
- https://access.redhat.com/errata/RHSA-2026:15091
- https://access.redhat.com/errata/RHSA-2026:17598
- https://access.redhat.com/errata/RHSA-2026:20088
- https://access.redhat.com/errata/RHSA-2026:21691
- https://access.redhat.com/errata/RHSA-2026:3556
- https://access.redhat.com/errata/RHSA-2026:3559
- https://access.redhat.com/errata/RHSA-2026:3855
- https://access.redhat.com/errata/RHSA-2026:4434
- https://access.redhat.com/errata/RHSA-2026:5941
- https://access.redhat.com/errata/RHSA-2026:5942
- https://access.redhat.com/errata/RHSA-2026:5943
- https://access.redhat.com/errata/RHSA-2026:5944
- https://access.redhat.com/errata/RHSA-2026:5948
- https://access.redhat.com/errata/RHSA-2026:5950
- https://access.redhat.com/errata/RHSA-2026:5952
- https://access.redhat.com/errata/RHSA-2026:6949
- https://access.redhat.com/errata/RHSA-2026:7291
- https://access.redhat.com/errata/RHSA-2026:7385
- https://access.redhat.com/errata/RHSA-2026:7833
- https://access.redhat.com/errata/RHSA-2026:7834
- https://access.redhat.com/errata/RHSA-2026:7876
- https://access.redhat.com/errata/RHSA-2026:7877
- https://access.redhat.com/errata/RHSA-2026:7878
- https://access.redhat.com/errata/RHSA-2026:7879
- https://access.redhat.com/errata/RHSA-2026:7883
- https://access.redhat.com/errata/RHSA-2026:8448
- https://access.redhat.com/security/cve/CVE-2025-61731
- https://bugzilla.redhat.com/show_bug.cgi?id=2434433
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61731.json
Timeline
- Published
- Jan 28, 2026
- Last modified
- Sep 10, 2026
- NVD status
- Modified