Incorrect Provision of Specified Functionality Affecting zebra-script package, versions <7.0.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUST-ZEBRASCRIPT-17808036
- published3 Jul 2026
- disclosed2 Jul 2026
- creditUnknown
Introduced: 2 Jul 2026
CVE-2026-52735 (opens in a new tab)How to fix?
Upgrade zebra-script to version 7.0.0 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Provision of Specified Functionality due to improper control flow in the sig_op_count function when parsing redeem scripts containing disabled opcodes. An attacker can cause consensus divergence between network validators by broadcasting transactions with maliciously crafted redeem scripts, potentially leading to a chain split and network instability.