What is CVE-2025-58190?

CVE-2025-58190 is a medium-severity vulnerability in Go Html, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.3/10. Published 2026-02-05.

How severe is CVE-2025-58190?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Go Html

CVE-2025-58190

The html.Parse function in golang.org/x/net/html has an infinite parsing loop when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.

EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Go Html
Golang.org/x/net Golang.org/x/net/html — versions 0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

security@golang.org (Mailing List, Third Party Advisory)
security@golang.org (Exploit, Issue Tracking)
security@golang.org (Patch)
security@golang.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-58190?: CVE-2025-58190 is a medium-severity vulnerability in Go Html, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.3/10. Published 2026-02-05.
How severe is CVE-2025-58190?: Medium severity. CVSS v3 base score is 5.3 out of 10.