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CVE-2026-25680: CWE-407: Inefficient Algorithmic Complexity in golang.org/x/net golang.org/x/net/html

0
Medium
VulnerabilityCVE-2026-25680cvecve-2026-25680cwe-407
Published: Fri May 22 2026 (05/22/2026, 15:01:21 UTC)
Source: CVE Database V5
Vendor/Project: golang.org/x/net
Product: golang.org/x/net/html

Description

Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/22/2026, 16:00:57 UTC

Technical Analysis

This vulnerability (CWE-407) in golang.org/x/net/html involves inefficient algorithmic complexity during HTML parsing, which can cause excessive CPU usage. The issue arises when parsing arbitrary HTML input, potentially enabling denial of service through resource exhaustion. The CVE is published but lacks a CVSS score and vendor-provided remediation details. No patch links or fixes are currently documented, and no exploits are known in the wild.

Potential Impact

The impact is a potential denial of service condition due to excessive CPU consumption when parsing crafted HTML input. This could degrade service availability or performance for applications using the affected package. There is no evidence of code execution or data leakage from the provided information.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting or validating HTML input to reduce risk of triggering excessive CPU usage. Monitor vendor channels for updates regarding patches or mitigations.

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Technical Details

Data Version
5.2
Assigner Short Name
Go
Date Reserved
2026-02-05T01:35:43.737Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null

Threat ID: 6a1079f0e1370fbb48159d9e

Added to database: 5/22/2026, 3:44:48 PM

Last enriched: 5/22/2026, 4:00:57 PM

Last updated: 5/23/2026, 8:14:08 PM

Views: 7

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