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.
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:5941 https://access.redhat.com/errata/RHSA-2026:5941
This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:5943 https://access.redhat.com/errata/RHSA-2026:5943
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:5942 https://access.redhat.com/errata/RHSA-2026:5942
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:5944 https://access.redhat.com/errata/RHSA-2026:5944
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:6949 https://access.redhat.com/errata/RHSA-2026:6949