github ethereum-optimism/optimism op-challenger/v1.9.6
op-challenger v1.9.6

4 hours ago

Overview

Important

This is a recommended release for all op-challenger operators. It fixes list-games against factories containing super permissioned games, tightens transaction decoding in the bundled kona-host, and updates the container base image to clear a reported CVE.

What's Changed

Bug fixes

  • list-games no longer aborts against a factory containing both standard and super permissioned games. Super permissioned games from the simplified contract do not expose claimDataLen, so the claim count query is now skipped for type-5 games and reported as zero (#22841)
  • The bundled kona-host now rejects bare RLP bodies for Deposit and PostExec transactions. Both are EIP-2718 typed transactions with no untyped wire form, so a missing 0x7E or 0x7D type byte could previously slip past derivation's leading-byte transaction gates (#22778)

Security

  • The container image now ships zlib 1.3.2-r7, clearing CVE-2026-85091

Full Changelog: op-challenger/v1.9.5...op-challenger/v1.9.6

🚢 Docker Image:

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