{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-123560", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-06T00:50:45.483Z", "datePublished": "2026-11-08T01:38:01.040Z", "dateUpdated": "2026-11-08T01:38:01.040Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-08T01:38:01.040Z"}, "datePublic": "2026-10-22T00:00:00.000Z", "title": "Zebra before 7.0.0 Sync Denial of Service via Forged Checkpoint Block Body", "descriptions": [{"lang": "en", "value": "Zebra before 7.0.0 contains an incomplete cleanup vulnerability that allows unauthenticated peers to stall initial sync by serving a forged checkpoint block body. Attackers can supply a body with forged authorizing data near the final checkpoint, leaving rejected hashes in the sent-hash set so the node stops requesting blocks until restart."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incomplete Cleanup", "cweId": "CWE-459", "type": "CWE"}]}], "affected": [{"vendor": "ZcashFoundation", "product": "zebra", "defaultStatus": "unaffected", "packageURL": "pkg:cargo/zebrad", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "7.0.0"}, {"version": "7.0.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:zfnd:zebra:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.0.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-9hq5-pfgc-cx5h", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-9hq5-pfgc-cx5h)"}, {"name": "VulnCheck Advisory: Zebra before 7.0.0 Sync Denial of Service via Forged Checkpoint Block Body", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/zebra-before-7.0.0-sync-denial-of-service-via-forged-checkpoint-block-body"}], "credits": [{"lang": "en", "value": "saxenism", "type": "reporter"}, {"lang": "en", "value": "oxarbitrage", "type": "remediation developer"}, {"lang": "en", "value": "mpguerra", "type": "coordinator"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "7.0.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "zebra", "source": "cna", "vendor": "ZcashFoundation"}, "product": "zebra", "vendor": "zfnd"}], "created": "2026-11-08T03:15:08.467093+00:00", "updated": "2026-11-08T04:15:14.445799+00:00", "vendors": ["zfnd", "zfnd$PRODUCT$zebra"]}