CVE-2025-61731

high

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.

References

https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61731.json

https://pkg.go.dev/vuln/GO-2026-4339

https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc

https://go.dev/issue/77100

https://go.dev/cl/736711

https://bugzilla.redhat.com/show_bug.cgi?id=2434433

https://access.redhat.com/security/cve/CVE-2025-61731

https://access.redhat.com/errata/RHSA-2026:7883

https://access.redhat.com/errata/RHSA-2026:7879

https://access.redhat.com/errata/RHSA-2026:7878

https://access.redhat.com/errata/RHSA-2026:7877

https://access.redhat.com/errata/RHSA-2026:7876

https://access.redhat.com/errata/RHSA-2026:7834

https://access.redhat.com/errata/RHSA-2026:7833

https://access.redhat.com/errata/RHSA-2026:7385

https://access.redhat.com/errata/RHSA-2026:7291

https://access.redhat.com/errata/RHSA-2026:6949

https://access.redhat.com/errata/RHSA-2026:5952

https://access.redhat.com/errata/RHSA-2026:5950

https://access.redhat.com/errata/RHSA-2026:5948

https://access.redhat.com/errata/RHSA-2026:5944

https://access.redhat.com/errata/RHSA-2026:5943

https://access.redhat.com/errata/RHSA-2026:5942

https://access.redhat.com/errata/RHSA-2026:5941

https://access.redhat.com/errata/RHSA-2026:5907

https://access.redhat.com/errata/RHSA-2026:5133

https://access.redhat.com/errata/RHSA-2026:4434

https://access.redhat.com/errata/RHSA-2026:3855

https://access.redhat.com/errata/RHSA-2026:3559

https://access.redhat.com/errata/RHSA-2026:3556

https://access.redhat.com/errata/RHSA-2026:21691

https://access.redhat.com/errata/RHSA-2026:20088

https://access.redhat.com/errata/RHSA-2026:15091

https://access.redhat.com/errata/RHSA-2026:14774

https://access.redhat.com/errata/RHSA-2026:14100

https://access.redhat.com/errata/RHSA-2026:13736

https://access.redhat.com/errata/RHSA-2026:12282

https://access.redhat.com/errata/RHSA-2026:12118

Details

Source: Mitre, NVD

Published: 2026-01-28

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.6

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00011