#VU118181 Resource exhaustion in Go programming language - CVE-2025-58187
Published: November 7, 2025
Vulnerability identifier: #VU118181
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-58187
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Go programming language
Go programming language
Software vendor:
Google
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to quadratic complexity when checking name constraints in crypto/x509. A remote attacker can pass a specially crafted x509 certificate to the application and trigger resource exhaustion.
Remediation
Install updates from vendor's website.