8 matches found
CVE-2026-40881
Zebra/Zebrad deserialization flaw CVE-2026-40881: when parsing addr or addrv2 messages, Zebra would deserialize vectors of addresses up to about 233k entries due to MAX_ADDRS_IN_MESSAGE checking being performed after deserialization. This could exhaust memory and crash a node under network load. ...
CVE-2026-44500
ZCV-64500: Allocation amplification in Zebra inbound deserializers affects Zebra nodes prior to 4.4.0 across zebrad, zebra-chain, and zebra-network. Inbound messages (headers, blocks, transactions) could be deserialized using generic transport or block-size ceilings, causing unauthenticated/post-...
CVE-2026-44497
ZEBRA/ZEC network node software is affected by CVE-2026-44497 due to insufficient error handling when an invalid sighash type is encountered during sighash computation. Prior to zebrad version 4.4.0 and zebra-script version 6.0.0, this could cause the normal flow to resume with the input sighash ...
CVE-2026-40880
The CVE-2026-40880 issue affects Zebra (Zcash node) prior to Zebrad 4.3.1 and zebra-consensus 5.0.2. A logic error in Zebra’s transaction verification cache allowed a malicious miner to exploit height-dependent validity (e.g., an expiry height or upgrade) by submitting a transaction valid at heig...
CVE-2026-41583
ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling (CVE-2026-41583). Zebra, a Rust-based Zcash node, failed after a refactor to validate sighash hash-type limits for V5 (NU5) and V4 transactions. This could allow Zebra to accept/mined blocks that zcashd would reject, causing a ...
CVE-2026-41584
ZEBRA (the Zebra node implementation for Zcash) is affected by CVE-2026-41584 due to the rk field in Orchard transactions. Prior to zebrad 4.3.1 and zebra-chain 6.0.2, an identity value for rk (the randomized validating key and elliptic-curve point) could trigger a panic in the orchard crate used...
CVE-2026-44498
CVE-2026-44498 affects ZEBRA (Zcash node written in Rust). Prior to version 4.4.0, Zebra’s block validator undercounted sigops, specifically: (A) Coinbase legacy sigops were not charged, hiding up to ~98 sigops, and (B) P2SH sigops were not accumulated during block validation. This caused blocks ...