{"cve":"CVE-2026-104434","nvd":{"published":"2026-10-02T12:17:13.917","modified":"2026-10-02T17:59:09.430","status":"Deferred","description":"ZcashFoundation Zebra zebra-rpc before 8.0.0 and zebrad before 4.5.0 contain a reachable assertion in the z_listunifiedreceivers RPC handler, which calls expect() on Sapling receiver parsing that fails for Unified Addresses carrying invalid Jubjub points. Authenticated RPC clients can submit such an address to abort the zebrad process, repeatably keeping the node offline.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-617"],"references":["https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-c8w6-x74f-vmg3","https://www.vulncheck.com/advisories/zebra-before-8.0.0-denial-of-service-via-z-listunifiedreceivers-rpc"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:57:46.668721662+00:00"},"epss":{"cve":"CVE-2026-104434","score":0.00307,"percentile":0.23234,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-c8w6-x74f-vmg3","url":"https://osv.dev/vulnerability/GHSA-c8w6-x74f-vmg3","summary":"zebrad vulnerable to full node denial of service via crafted Sapling receiver in z_listunifiedreceivers","modified":"2026-10-03T03:56:05.276461320Z","packages":[{"ecosystem":"crates.io","name":"zebra-rpc","purl":"pkg:cargo/zebra-rpc","ranges":["<8.0.0"],"fixed":["8.0.0"]},{"ecosystem":"crates.io","name":"zebrad","purl":"pkg:cargo/zebrad","ranges":["<4.5.0"],"fixed":["4.5.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}