Use After Free Affecting nsd package, versions [4.13.0,4.14.3)
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-NSD-17660912
- published28 Jun 2026
- disclosed25 Jun 2026
- creditUnknown
Introduced: 25 Jun 2026
CVE-2026-12245 (opens in a new tab)How to fix?
Upgrade nsd to version 4.14.3 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the logging process for TLS connections. An attacker can cause the server process to crash by sending a DNS query over a DNS-over-TLS connection and then closing the connection without reading the response.