MEDIUM 6.9 NVD
CVE-2026-104425
ZcashFoundation Zebra before 6.1.0 contains a resource exhaustion vulnerability that allows unauthenticated peers to degrade block processing by pushing transac
ZcashFoundation Zebra before 6.1.0 contains a resource exhaustion vulnerability that allows unauthenticated peers to degrade block processing by pushing transactions with invalid Orchard proofs without being misbehavior-scored. Attackers can repeatedly push invalid proofs into the shared halo2 batch verifier, forcing honest block proofs onto the slow individual-verification path and slowing block processing roughly sevenfold.
References
- https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-g7c4-2w6c-cr3r
- https://www.vulncheck.com/advisories/zebra-before-6.1.0-batch-verification-poisoning-dos-v
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-02 via NVD.
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