Integer Overflow or Wraparound Affecting powerdns package, versions [,4.9.14)[5.0.0-alpha0,5.0.4)
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
- disclosed23 Apr 2026
- creditUnknown
Introduced: 23 Apr 2026
CVE-2026-33611 (opens in a new tab)How to fix?
Upgrade powerdns to version 4.9.14, 5.0.4 or higher.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the REST API when processing HTTPS or SVCB records. An attacker can cause database corruption and disrupt server availability by submitting specially crafted data through authorized API access. This is only exploitable if the LMDB backend is in use.