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Vulnerabilities

Vulnerability · 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 spec

Published Feb 5, 2026 · catalog updated Feb 12, 2026 · The html.Parse function in

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-58190. EPSS is 0.54%. Act only if a listed version of The html.Parse function in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The html.Parse function in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.54%
Remediation
Version ranges on file
Affected products
vendor golang.org/x/net golang.org/x/net/html 0 <0.45.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor golang.org/x/net golang.org/x/net/html 0 <0.45.00 <0.45.0

How to fix CVE-2025-58190

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-58190. EPSS is 0.54%. Act only if a listed version of The html.Parse function in is installed.

Which versions are affected?

Compare what you have installed with golang.org/x/net golang.org/x/net/html 0 <0.45.0 0 <0.45.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.54%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 5, 2026 · EUVD

    Detected

    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.

  2. Feb 12, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-58190

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-58190

    30-day exploitation probability 0.54%

    first.org
  • EUVDVulnerability recordEUVD-2025-206855

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • FIRST EPSSNov 3, 2026
  • EUVDNov 3, 2026