CVE-2022-41716

Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string "A=B\x00C=D" sets the variables "A=B" and "C=D".

• https://go.dev/cl/446916Patch, Vendor Advisory
• https://go.dev/issue/56284Issue Tracking, Patch, Vendor Advisory
• https://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJPatch, Release Notes, Vendor Advisory
• https://pkg.go.dev/vuln/GO-2022-1095Vendor Advisory
• https://go.dev/cl/446916Patch, Vendor Advisory
• https://go.dev/issue/56284Issue Tracking, Patch, Vendor Advisory
• https://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJPatch, Release Notes, Vendor Advisory
• https://pkg.go.dev/vuln/GO-2022-1095Vendor Advisory
• https://security.netapp.com/advisory/ntap-20230120-0007/

Published

Nov 2, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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