CVE-2025-61727

MEDIUM EPSS 18.5%
Published Dec 3, 20256mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Dec 3, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago

Description

An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.

CVSS Details

Base Score
6.5
Exploitability
3.9
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
18.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-295

Affected Products 2

VendorProductVersionRange
golanggo* <1.24.11
golanggo*≥1.25  –  <1.25.5

References 4

  • go.dev https://go.dev/cl/723900
    Patch
  • go.dev https://go.dev/issue/76442
    Issue Tracking
  • groups.google.com https://groups.google.com/g/golang-announce/c/8FJoBkPddm4
    Mailing ListRelease Notes
  • pkg.go.dev https://pkg.go.dev/vuln/GO-2025-4175
    Vendor Advisory

Remediation

  • go.dev https://go.dev/cl/723900
    Patch