CVE-2026-25680 Details
Description
Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
A denial-of-service vulnerability has been identified in the HTML parsing component of the Golang x/net package, prior to version 0.55.0. The issue arises from a cubic complexity algorithm used during the construction of the HTML tree, which can lead to excessive CPU consumption when parsing arbitrary HTML. This vulnerability was reported by IPC Labs.
Users can upgrade to Golang x/net version 0.55.0 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 22, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://go.dev/cl/781702 | [email protected] | Issue Tracking |
| https://go.dev/issue/79573 | [email protected] | Issue Tracking |
| https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8 | [email protected] | Mailing List |
| https://pkg.go.dev/vuln/GO-2026-5028 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| golang net | < 0.55.0 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 29, 2026 | Initial Analysis | [email protected] |
| May 22, 2026 | CVE Modified | CISA-ADP |
| May 22, 2026 | New CVE Received | [email protected] |