CVE-2026-12246
Last modified
CVE-2026-12246 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nlnetlabs | Nsd | >= 4.14.0, < 4.14.3 |
References
- https://www.nlnetlabs.nl/downloads/nsd/CVE-2026-12246.txtPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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