Vulnerability Report

CVE-2025-61729

Title: HostnameError.Error() excessive resource consumption

Other

Proof Of Concept

No public PoC currently indexed for CVE-2025-61729.

CWE Category CWE-295

Published Date Dec 02, 2025

Modified Date Dec 19, 2025

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

0.02%

Vulnerability Summary

CVE-2025-61729: Within HostnameError.Error(), when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can result in excessive resource consumption.

Impacted Vendors

golang 1

ecies 1

go 1

Reference Links

https://go.dev/cl/725920 https://go.dev/issue/76445 https://groups.google.com/g/golang-announce/c/8FJoBkPddm4 https://pkg.go.dev/vuln/GO-2025-4155

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-61729 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

December 19, 2025 MODIFIED

Vulnerability data or affected products updated.

December 19, 2025 MODIFIED

Vulnerability data updated via NVD.

December 02, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.