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Advisory catalogCVE-2026-42504

CVE-2026-42504Published

Quadratic complexity in WordDecoder.DecodeHeader in mime

Exact source revision recorded 23 Oct 2026 17:48:20 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-42504

Published

mime

https://pkg.go.dev

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Go standard library",
                    "product": "mime",
                    "collectionURL": "https://pkg.go.dev",
                    "packageName": "mime",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "1.25.11",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "1.26.0-0",
                            "lessThan": "1.26.4",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "programRoutines": [
                        {
                            "name": "WordDecoder.DecodeHeader"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }