CVE-2025-58187

HIGHNVD 7.56.5▼Trending — 4 sources updated this week

7.5

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.

CVSS v3: 7.5
EG Score: 6.5(medium)
EPSS: 6.0%
KEV: Not listed

Published

October 29, 2025

Last Modified

January 29, 2026

References (5)

security@golanghttps://go.dev/cl/709854
security@golanghttps://go.dev/issue/75681
security@golanghttps://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
security@golanghttps://pkg.go.dev/vuln/GO-2025-4007
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/10/08/1

Vendor Advisories for CVE-2025-58187(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	golang1-25-main-1.25.9-1.hum1	2026-04-10	redhat
redhat	golang1-26-main-1.26.2-1.hum1	2026-04-09	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
stdlib	—	1.25.3	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-407

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Microsoft MSRCCVE-2025-581872025-10-31
Quadratic complexity when checking name constraints in crypto/x509

Data Freshness Timeline

(refreshed 14× in last 7d / 14× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 20:06 UTCEG score recompute
2026-05-29 20:06 UTCVendor advisory
2026-05-29 20:05 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-58187?

CVE-2025-58187 is a high vulnerability published on October 29, 2025. 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.

When was CVE-2025-58187 disclosed?

CVE-2025-58187 was first published in the National Vulnerability Database on October 29, 2025, with the most recent update on January 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-58187 actively exploited?

CVE-2025-58187 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-58187?

CVE-2025-58187 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.5.

How do I remediate CVE-2025-58187?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-58187, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-58187

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