HIGH 8.2 NVD
CVE-2026-123557
ZcashFoundation Zebra zebrad before 7.0.0 contains a reachable assertion race condition that allows unauthenticated remote peers to abort the node by triggering
ZcashFoundation Zebra zebrad before 7.0.0 contains a reachable assertion race condition that allows unauthenticated remote peers to abort the node by triggering disconnection during a blocked outbound send. Malicious peers can return empty FindBlocks or FindHeaders replies and stop reading their socket, dropping an unresolved MustUseClientResponseSender and terminating syncing nodes.
References
- https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-6v36-c42v-v98p
- https://www.vulncheck.com/advisories/zebra-zebrad-before-7.0.0-reachable-assertion-dos-via
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-11-08 via NVD.
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