CVE-2026-123555 | BDVDB-2026-401912 Detail
ZcashFoundationzebra
Description#
Zebra from 2.3.0 before 7.0.0 contains a denial of service vulnerability that allows unauthenticated peers to evade misbehavior scoring by sending transactions or blocks with invalid transparent scripts. Attackers can flood mempool with script-failing transactions or serve forged v5 block bodies with altered scriptSig bytes to exhaust CPU and repeatedly stall block sync.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-755 Improper Handling of Exceptional Conditions
References#
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.