#VU118186 Input validation error in Go programming language - CVE-2025-47912
Vulnerability identifier: #VU118186
Vulnerability risk: Low
CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Go programming language
Universal components / Libraries /
Scripting languages
Vendor: Google
Description
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to the Parse function permits values other than IPv6 addresses to be included in square brackets within the host component of a URL. A remote attacker can abuse such behavior to perform spoofing attacks.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Go programming language: 1, 1.0, 1.0.1, 1.0.2, 1.0.3, 1.1, 1.1.0, 1.1.1, 1.1.2, 1.2, 1.2.1, 1.2.2, 1.3, 1.3.1, 1.3.2, 1.3.3, 1.4, 1.4.1, 1.4.2, 1.4.3, 1.5, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.6, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.7, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.7.5, 1.7.6, 1.8, 1.8.1, 1.8.2, 1.8.3, 1.8.4, 1.8.5, 1.8.6, 1.8.7, 1.9, 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6, 1.9.7, 1.10, 1.10 rc1, 1.10 rc2, 1.10.1, 1.10.2, 1.10.3, 1.10.4, 1.10.5, 1.10.6, 1.10.7, 1.10.8, 1.11, 1.11 rc1, 1.11 rc2, 1.11beta1, 1.11beta2, 1.11beta3, 1.11.1, 1.11.2, 1.11.3, 1.11.4, 1.11.5, 1.11.6, 1.11.7, 1.11.8, 1.11.9, 1.11.10, 1.11.11, 1.11.12, 1.11.13, 1.12, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.12.5, 1.12.6, 1.12.7, 1.12.8, 1.12.9, 1.12.10, 1.12.11, 1.12.12, 1.12.13, 1.12.14, 1.12.15, 1.12.16, 1.12.17, 1.13, 1.13.1, 1.13.2, 1.13.3, 1.13.4, 1.13.5, 1.13.6, 1.13.7, 1.13.8, 1.13.9, 1.13.10, 1.13.11, 1.13.12, 1.13.13, 1.13.14, 1.13.15, 1.14, 1.14.1, 1.14.2, 1.14.3, 1.14.4, 1.14.5, 1.14.6, 1.14.7, 1.14.8, 1.14.9, 1.14.10, 1.14.11, 1.14.12, 1.14.13, 1.14.14, 1.14.15, 1.15, 1.15.1, 1.15.2, 1.15.3, 1.15.4, 1.15.5, 1.15.6, 1.15.7, 1.15.8, 1.15.9, 1.15.10, 1.15.11, 1.15.12, 1.15.13, 1.15.14, 1.15.15, 1.16, 1.16.0, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5, 1.16.6, 1.16.7, 1.16.8, 1.16.9, 1.16.10, 1.16.11, 1.16.12, 1.16.13, 1.16.14, 1.16.15, 1.17, 1.17.1, 1.17.2, 1.17.3, 1.17.4, 1.17.5, 1.17.6, 1.17.7, 1.17.8, 1.17.9, 1.17.10, 1.17.11, 1.17.12, 1.17.13, 1.18, 1.18.1, 1.18.2, 1.18.3, 1.18.4, 1.18.5, 1.18.6, 1.18.7, 1.18.8, 1.18.9, 1.18.10, 1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.19.5, 1.19.6, 1.19.7, 1.19.8, 1.19.9, 1.19.10, 1.19.11, 1.19.12, 1.19.13, 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.20.7, 1.20.8, 1.20.9, 1.20.10, 1.20.11, 1.20.12, 1.20.13, 1.20.14, 1.21 rc1, 1.21 rc2, 1.21 rc3, 1.21 rc4, 1.21.0, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11, 1.21.12, 1.21.13, 1.22.0, 1.22.1, 1.22.2, 1.22.3, 1.22.4, 1.22.5, 1.22.6, 1.22.7, 1.22.8, 1.22.9, 1.22.10, 1.22.11, 1.22.12, 1.23.0, 1.23.1, 1.23.2, 1.23.3, 1.23.4, 1.23.5, 1.23.6, 1.23.7, 1.23.8, 1.23.9, 1.23.10, 1.23.11, 1.23.12, 1.24 rc1, 1.24 rc2, 1.24 rc.3, 1.24.0, 1.24.1, 1.24.2, 1.24.3, 1.24.4, 1.24.5, 1.24.6, 1.24.7, 1.25.0, 1.25.1
External links
https://go.dev/cl/709857
https://go.dev/issue/75678
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
https://pkg.go.dev/vuln/GO-2025-4010
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
