CVE-2026-104428 — Zebra before 11.0.0 Denial of Service via getblock Verbosity 2
The getblock RPC method in zebra-rpc before 11.0.0, used by the Zcash Foundation's Zebra node, panics on verbosity 2 for a side-chain block because the block's -1 confirmations …
Published: 2026-10-02 · CVSS: 6.9 · CVSS 4.0
The getblock RPC method in zebra-rpc before 11.0.0, used by the Zcash Foundation's Zebra node, panics on verbosity 2 for a side-chain block because the block's -1 confirmations sentinel is converted to u32 with .expect(), aborting the process. Remote unauthenticated attackers, directly or through lightwalletd, can repeat this call to keep the node in a crash loop.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7