Allocation of Resources Without Limits or Throttling Affecting zebra-chain 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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- published10 May 2026
- disclosed8 May 2026
- creditZk-nd3r
Introduced: 8 May 2026
NewCVE-2026-44500 (opens in a new tab)How to fix?
Upgrade zebra-chain to version 7.0.0 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the deserialization process. An attacker can cause excessive memory allocation and potential denial of service by sending specially crafted network messages that exploit insufficient enforcement of protocol or consensus limits during buffer allocation.