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MEDIUM

CVE-2025-58190

Infinite parsing loop in golang.org/x/net

CVSS v3

5.3

MEDIUM

EPSS Score

0.5 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

none

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • golang.org/x/netGoall versions · fixed in 0.45.0

Vendor advisories

  • CVE-2025-58190 Red Hat Product Security78 products fixed · 325 known affected

    golang.org/x/net/html: Infinite parsing loop in golang.org/x/net

    rhai/assisted-installer-agent-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2 · rhai/assisted-installer-controller-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2 · rhai/assisted-installer-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2

  • RHSA-2026:82354 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.18.2

  • RHSA-2026:82322 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.17.2

  • RHSA-2026:82304 Red Hat Product Security8 products fixed

    Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.17.2

  • RHSA-2026:43692 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat OpenShift API for Data Protection

  • RHSA-2026:34342 Red Hat Product Security24 products fixed

    Red Hat Security Advisory: Cluster Observability Operator 1.5.0

3 more advisories

Full record on NVD

Description

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published
2026-02-05
Last Modified
2026-02-18

Frequently asked questions

What is 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.

Is CVE-2025-58190 actively exploited?

Active exploitation of CVE-2025-58190 has not been confirmed. Its EPSS score was 0.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-58190?

CVE-2025-58190 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

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