Buffer Overflow Affecting nsd package, versions [4.14.0,4.14.3)
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-17660910
- published28 Jun 2026
- disclosed25 Jun 2026
- creditUnknown
Introduced: 25 Jun 2026
CVE-2026-12246 (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 Buffer Overflow through the APL RR processing when the zone is written to disk. An attacker can overwrite up to 111 bytes on the stack by providing a specially crafted record with an adflength larger than permitted for the address family.