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

cve-program · CVE-2026-33812

Published

golang.org/x/image/font/sfnt

https://pkg.go.dev

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "golang.org/x/image",
                    "product": "golang.org/x/image/font/sfnt",
                    "collectionURL": "https://pkg.go.dev",
                    "packageName": "golang.org/x/image/font/sfnt",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "0.39.0",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "programRoutines": [
                        {
                            "name": "source.view"
                        },
                        {
                            "name": "Collection.Font"
                        },
                        {
                            "name": "Font.GlyphAdvance"
                        },
                        {
                            "name": "Font.GlyphBounds"
                        },
                        {
                            "name": "Font.GlyphIndex"
                        },
                        {
                            "name": "Font.GlyphName"
                        },
                        {
                            "name": "Font.Kern"
                        },
                        {
                            "name": "Font.LoadGlyph"
                        },
                        {
                            "name": "Font.Name"
                        },
                        {
                            "name": "Font.WriteSourceTo"
                        },
                        {
                            "name": "Parse"
                        },
                        {
                            "name": "ParseCollection"
                        },
                        {
                            "name": "ParseCollectionReaderAt"
                        },
                        {
                            "name": "ParseReaderAt"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-24245

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Apr 21, 2026, 7:21:28 PM

dateUpdated: Apr 21, 2026, 8:43:11 PM

1 related source bulletins · separate from aliases

RHSA-2026:66266: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2026-10582 · CVE-2026-10618 · CVE-2026-33812 · CVE-2026-44301 · CVE-2026-100690 · CVE-2026-100691 · CVE-2026-100692 · CVE-2026-100693 · CVE-2026-100694

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-33812

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-770

Original publisher date fields

published: 2026-04-21T20:16:56.290

lastModified: 2026-10-26T21:10:00.170

1 source CPE criteria · context only
  • cpe:2.3:a:golang:image:*:*:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-4962

Published

golang.org/x/image

Go

SEMVER · introduced 0 → fixed 0.39.0

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 1 Nov 18:18 UTC · 275 of 275 readable · 272 fully read · documentation 469/469 current