Allocation of Resources Without Limits or Throttling Affecting pdns-recursor package, versions [,5.1.10)[5.2.0-alpha1,5.2.8)[5.3.0-alpha1,5.3.5)
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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- published9 Feb 2026
- disclosed9 Feb 2026
- creditShuhan Zhang
Introduced: 9 Feb 2026
CVE-2026-24027 (opens in a new tab)How to fix?
Upgrade pdns-recursor to version 5.1.10, 5.2.8, 5.3.5 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the processing of specially crafted zones. An attacker can cause increased network traffic by submitting specially crafted zone data.