Allocation of Resources Without Limits or Throttling Affecting zebra-network package, versions <5.0.1
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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- published27 Apr 2026
- disclosed22 Apr 2026
- creditZk-nd3r
Introduced: 22 Apr 2026
NewCVE-2026-40881 (opens in a new tab)How to fix?
Upgrade zebra-network to version 5.0.1 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the deserialization process of addr or addrv2 messages, which contain vectors of addresses. An attacker can cause the application to exhaust system memory and abort by sending multiple crafted messages with excessive address vectors over different connections.