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Medium0xCERT-2026-0209·

zebrad has persistent on-disk corruption of Sapling/Orchard subtree roots after chain fork via pop_tip

zebrad has persistent on-disk corruption of Sapling/Orchard subtree roots after chain fork via pop_tip. You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node participates in a network where chain forks occur (mainnet, testnet, or any network with multiple miners).

Vuln-watch · relayed from the GitHub Advisory Database; see Source & attribution below

Summary

You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node participates in a network where chain forks occur (mainnet, testnet, or any network with multiple miners).

Affected

  • zebra-state (rust) <= 6.0.0 — fixed in 7.0.0
  • zebrad (rust) <= 4.4.1 — fixed in 4.5.0

Severity

Medium, as rated by the upstream advisory.

Recommended actions

  • Upgrade zebra-state to 7.0.0 or later
  • Upgrade zebrad to 4.5.0 or later

Source & attribution

This 0xCERT advisory summarises GHSA-2gf8-q9rr-jq3h / CVE-2026-52733 from the GitHub Advisory Database, credited upstream to dingledropper, mpguerra, upbqdn: https://github.com/advisories/GHSA-2gf8-q9rr-jq3h. Details may change; refer to the original source for the authoritative record.

OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.

Published 2026-07-02 · last updated 2026-10-08

curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0209/signed.txt | gpg --verify