CVE-2025-61731
HIGH severity · CVSS 7.8 · CWE-88
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://go.dev/cl/736711 ↗
Additional information
- NVD record
- https://go.dev/cl/736711Patch
- https://pkg.go.dev/vuln/GO-2026-4339Advisory
- https://go.dev/issue/77100
- https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc
- 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