GO-2026-4440

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Source
https://pkg.go.dev/vuln/GO-2026-4440
Import Source
https://vuln.go.dev/ID/GO-2026-4440.json
JSON Data
https://api.osv.dev/v1/vulns/GO-2026-4440
Aliases
  • CVE-2025-47911
Related
Published
2026-02-05T17:23:14Z
Modified
2026-02-10T11:58:50.078420Z
Summary
Quadratic parsing complexity in golang.org/x/net/html
Details

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

Database specific 
{
    "review_status": "REVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-4440"
}
References
Credits
    • Guido Vranken
    • Jakub Ciolek

Affected packages

Go / golang.org/x/net

Package

Name
golang.org/x/net
View open source insights on deps.dev
Purl
pkg:golang/golang.org/x/net

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.45.0

Ecosystem specific 

{
    "imports": [
        {
            "symbols": [
                "Parse",
                "ParseFragment",
                "ParseFragmentWithOptions",
                "ParseWithOptions",
                "parser.parse"
            ],
            "path": "golang.org/x/net/html"
        }
    ]
}

Database specific

source 
"https://vuln.go.dev/ID/GO-2026-4440.json"