CVE-2026-104436Published

Zebra before 4.5.0 CPU Amplification via Uncapped getblocks/getheaders Locator Length

Exact source revision recorded 29 Oct 2026 22:48:55 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-104436

Published

zebra

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "ZcashFoundation",
                    "product": "zebra",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:cargo/zebrad",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "4.5.0"
                        },
                        {
                            "version": "4.5.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

zebra-chain

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "ZcashFoundation",
                    "product": "zebra-chain",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:cargo/zebra-chain",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "8.0.0"
                        },
                        {
                            "version": "8.0.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

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