Arbitrary Code Injection Affecting powerdns package, versions [4.7.0,4.9.15)[5.0.0-alpha0,5.0.5)
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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Test your applications- Snyk IDSNYK-UNMANAGED-POWERDNS-16799832
- published22 May 2026
- disclosed21 May 2026
- creditUnknown
Introduced: 21 May 2026
CVE-2026-42396 (opens in a new tab)How to fix?
Upgrade powerdns to version 4.9.15, 5.0.5 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary Code Injection due to missing escaping of double-quote characters in the Member Zone Data. An attacker can cause the transfer to fail, resulting in disruption of service, by providing malformed or malicious member zone data.