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Advisory record · GHSA-3whf-vgf2-9w6g

zaino-state has a Non-Finalized State Reorg — No Cycle Detection or Depth Limit

CVSS 4.0, no score published

Published by the GitHub Advisory Database at 31 Jul 2026, 19:49 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
zaino-statecrates.io<0.4.10.4.1
Identifiers
GHSA-3whf-vgf2-9w6g
Weakness (CWE)
CWE-770
Tags
Published
31 Jul 2026
Updated
31 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Affected: zaino-state versions before 0.4.1 (crates.io). The reorg handling in NonFinalizedState::handle_reorg has no recursion depth limit or cycle detection, so a malicious or faulty validator serving a block whose previous-block hash points back to itself or into a cycle can make sync loop indefinitely at full CPU and grow memory without limit. Upgrade to zaino-state 0.4.1 or later. The source gives few details on whether a workaround exists.

Written 8 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
Not published None 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 15:18 UTC First seen by agentprime
  2. 31 Oct 2026, 15:18 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.