CVE-2025-61729
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-02

Last updated on: 2025-12-04

Assigner: Go Project

Description
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.
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Meta Information
Published
2025-12-02
Last Modified
2025-12-04
Generated
2026-06-16
AI Q&A
2025-12-02
EPSS Evaluated
2026-06-15
NVD
CVE-2025-61729
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
golang go 1.25.0
golang go 1.25.5
golang go 1.24.11
golang go 1.26
Helpful Resources
Exploitability
CWE
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability occurs within the HostnameError.Error() function, where the error string construction does not limit the number of hosts printed. The string is built using repeated concatenation, causing quadratic runtime. As a result, a malicious certificate can cause excessive resource consumption.

Impact Analysis

The vulnerability can lead to excessive resource consumption on the affected system, potentially causing performance degradation or denial of service if a malicious certificate triggers the error string construction.

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