GO-2026-4962

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Source

https://pkg.go.dev/vuln/GO-2026-4962

Import Source

https://vuln.go.dev/ID/GO-2026-4962.json

JSON Data

https://api.osv.dev/v1/vulns/GO-2026-4962

Aliases

CVE-2026-33812

Published

2026-04-21T18:59:51Z

Modified

2026-04-21T19:15:13.253886Z

Summary

Excessive memory allocation when decoding malicious SFNT in golang.org/x/image

Details

Parsing a malicious font file can cause excessive memory allocation.

Database specific

{
    "review_status": "REVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-4962"
}

References

Credits

- Andy Gill, ZephrSec Ltd

Affected packages

Go / golang.org/x/image

Package

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

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.39.0

Ecosystem specific

{
    "imports": [
        {
            "symbols": [
                "Collection.Font",
                "Font.GlyphAdvance",
                "Font.GlyphBounds",
                "Font.GlyphIndex",
                "Font.GlyphName",
                "Font.Kern",
                "Font.LoadGlyph",
                "Font.Name",
                "Font.WriteSourceTo",
                "Parse",
                "ParseCollection",
                "ParseCollectionReaderAt",
                "ParseReaderAt",
                "source.view"
            ],
            "path": "golang.org/x/image/font/sfnt"
        }
    ]
}

Database specific

source

"https://vuln.go.dev/ID/GO-2026-4962.json"