--- id: CVE-2025-47906 aliases: - GO-2025-3956 - BIT-golang-2025-47906 title: Unexpected paths returned from LookPath in os/exec summary: Unexpected paths returned from LookPath in os/exec severity: medium cvss: 6.5 cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L' vendor: stdlib product: stdlib ecosystem: go affected: - 'stdlib >= 1.24.0, < 1.24.6' patched: - stdlib 1.24.6 published: '2025-09-18' updated: '2026-10-14' sourceUpdated: '2026-10-14T10:57:00.256192365Z' source: OSV sourceUrl: 'https://osv.dev/vulnerability/GO-2025-3956' references: - url: 'https://go.dev/cl/691775' - url: 'https://go.dev/issue/74466' - url: 'https://groups.google.com/g/golang-announce/c/x5MKroML2yM' - url: >- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-47906.json - url: 'https://access.redhat.com/security/cve/CVE-2025-47906' - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2396546' - url: 'https://www.cve.org/CVERecord?id=CVE-2025-47906' - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-47906' - url: 'https://pkg.go.dev/vuln/GO-2025-3956' - url: 'https://access.redhat.com/errata/RHSA-2025:13941' - url: 'https://access.redhat.com/errata/RHSA-2025:22668' - url: 'https://access.redhat.com/errata/RHSA-2025:23740' - url: 'https://access.redhat.com/errata/RHSA-2025:23741' - url: 'https://access.redhat.com/errata/RHSA-2025:23733' - url: 'https://access.redhat.com/errata/RHSA-2025:23737' - url: 'https://access.redhat.com/errata/RHSA-2025:23851' - url: 'https://access.redhat.com/errata/RHSA-2025:22899' - url: 'https://access.redhat.com/errata/RHSA-2025:23833' - url: 'https://access.redhat.com/errata/RHSA-2025:22181' - url: 'https://access.redhat.com/errata/RHSA-2025:23834' - url: 'https://access.redhat.com/errata/RHSA-2025:21856' - url: 'https://access.redhat.com/errata/RHSA-2025:22004' - url: 'https://access.redhat.com/errata/RHSA-2025:13935' - url: 'https://access.redhat.com/errata/RHSA-2025:22005' - url: 'https://access.redhat.com/errata/RHSA-2026:3461' - url: 'https://access.redhat.com/errata/RHSA-2026:3462' - url: 'https://access.redhat.com/errata/RHSA-2025:23449' - url: 'https://access.redhat.com/errata/RHSA-2025:23205' - url: 'https://access.redhat.com/errata/RHSA-2025:22935' tags: - osv - go - csaf - vex - red-hat epss: 0.0055 epssPercentile: 0.45822 cvssSource: vendor cwe: - CWE-440 ingestedAt: '2026-07-23T19:05:53.984Z' --- ## Overview If the PATH environment variable contains paths which are executables (rather than just directories), passing certain strings to LookPath ("", ".", and ".."), can result in the binaries listed in the PATH being unexpectedly returned. ## Affected packages - `stdlib >= 1.24.0, < 1.24.6` ## Remediation Upgrade to a patched release: - `stdlib 1.24.6` ## Vendor advisories - **RHSA-2025:13941** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2025-08-18 · [advisory](https://access.redhat.com/errata/RHSA-2025:13941) - **RHSA-2025:22668** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2025-12-03 · [advisory](https://access.redhat.com/errata/RHSA-2025:22668) - **RHSA-2025:23740** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v. 8.2) · released 2025-12-22 · [advisory](https://access.redhat.com/errata/RHSA-2025:23740) - **RHSA-2025:23741** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2025-12-22 · [advisory](https://access.redhat.com/errata/RHSA-2025:23741) - **RHSA-2025:23733** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6) · released 2025-12-22 · [advisory](https://access.redhat.com/errata/RHSA-2025:23733) - **RHSA-2025:23737** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2025-12-22 · [advisory](https://access.redhat.com/errata/RHSA-2025:23737) - **RHSA-2025:23851** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.0) · released 2025-12-22 · [advisory](https://access.redhat.com/errata/RHSA-2025:23851) - **RHSA-2025:22899** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.0) · released 2025-12-09 · [advisory](https://access.redhat.com/errata/RHSA-2025:22899) - **RHSA-2025:23833** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.2) · released 2025-12-22 · [advisory](https://access.redhat.com/errata/RHSA-2025:23833) - **RHSA-2025:22181** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.2) · released 2025-11-26 · [advisory](https://access.redhat.com/errata/RHSA-2025:22181) - **RHSA-2025:23834** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v.9.4) · released 2025-12-22 · [advisory](https://access.redhat.com/errata/RHSA-2025:23834) - **Red Hat VEX** · Moderate · affected: Assisted Installer for Red Hat OpenShift Container Platform 2, Builds for Red Hat OpenShift, cert-manager Operator for Red Hat OpenShift, Confidential Compute Attestation, Cryostat 4, Custom Metric Autoscaler operator for Red Hat Openshift, … · no fix planned: Assisted Installer for Red Hat OpenShift Container Platform 2, Builds for Red Hat OpenShift, cert-manager Operator for Red Hat OpenShift, Confidential Compute Attestation, … · updated 2026-09-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-47906.json)