CVE-2025-58188: go Cert Validation Flaw — Fix

Description

Validating certificate chains which contain DSA public keys can cause programs to panic, due to a interface cast that assumes they implement the Equal method. This affects programs which validate arbitrary certificate chains.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-295 CWE-295

Affected Products

Vendor	Product	Versions
golang	go	< 1.24.8
golang	go	1.25.0 — 1.25.2

References

Advisories & Patches

https://go.dev/cl/709853 https://pkg.go.dev/vuln/GO-2025-4013

Other References

https://go.dev/issue/75675 https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI http://www.openwall.com/lists/oss-security/2025/10/08/1

Frequently Asked Questions

What is CVE-2025-58188? +

Validating certificate chains which contain DSA public keys can cause programs to panic, due to a interface cast that assumes they implement the Equal method. This affects programs which validate arbitrary certificate chains. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-58188? +

CVE-2025-58188 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-58188? +

CVE-2025-58188 affects products from golang, specifically: go. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-58188? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-58188