CVE-2025-58187
Quadratic complexity when checking name constraints in crypto/x509
Description
Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate. This affects programs which validate arbitrary certificate chains.
INFO
Published Date :
Oct. 29, 2025, 11:16 p.m.
Last Modified :
Jan. 29, 2026, 4:02 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Optimize certificate name constraint checking algorithm.
- Implement input size validation for certificates.
- Apply patches for certificate validation logic.
Public PoC/Exploit Available at Github
CVE-2025-58187 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-58187.
| URL | Resource |
|---|---|
| https://go.dev/cl/709854 | Patch |
| https://go.dev/issue/75681 | Issue Tracking |
| https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI | Mailing List Release Notes |
| https://pkg.go.dev/vuln/GO-2025-4007 | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2025/10/08/1 | Mailing List Release Notes |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-58187 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-58187
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Toolkit for k8s administrators/developers.
Dockerfile Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-58187 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-58187 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 29, 2026
Action Type Old Value New Value Added CWE CWE-407 Added CPE Configuration OR *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (excluding) 1.24.9 *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.25.0 up to (excluding) 1.25.3 Added Reference Type Go Project: https://go.dev/cl/709854 Types: Patch Added Reference Type Go Project: https://go.dev/issue/75681 Types: Issue Tracking Added Reference Type Go Project: https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI Types: Mailing List, Release Notes Added Reference Type Go Project: https://pkg.go.dev/vuln/GO-2025-4007 Types: Vendor Advisory Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2025/10/08/1 Types: Mailing List, Release Notes -
CVE Modified by [email protected]
Nov. 20, 2025
Action Type Old Value New Value Changed Description Due to the design of the name constraint checking algorithm, the processing time of some inputs scals non-linearly with respect to the size of the certificate. This affects programs which validate arbitrary certificate chains. Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate. This affects programs which validate arbitrary certificate chains. -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 04, 2025
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2025/10/08/1 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 30, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N -
New CVE Received by [email protected]
Oct. 29, 2025
Action Type Old Value New Value Added Description Due to the design of the name constraint checking algorithm, the processing time of some inputs scals non-linearly with respect to the size of the certificate. This affects programs which validate arbitrary certificate chains. Added Reference https://go.dev/cl/709854 Added Reference https://go.dev/issue/75681 Added Reference https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI Added Reference https://pkg.go.dev/vuln/GO-2025-4007