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CVE-2026-109365

6.3 medium SSVC exploitation: none Deferred
NVD · CVE.org

Zebra before 6.4.0 contains an uncontrolled resource consumption vulnerability that allows unauthenticated peers to force full proof verification by serving forged block bodies with valid header hashes. Attackers can flip authorizing-only bytes such as a coinbase scriptSig, wasting Sapling, Orchard, and Ironwood proof verification without penalty and stalling sync for 67 seconds.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → DeferredNVD modified 2026-10-15 20:31
  2. First seenCVSS 6.3NVD modified 2026-10-13 18:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2