Vulnerability/
https://seclists.org/oss-sec/2026/q4/163

https://seclists.org/oss-sec/2026/q4/163: NSD 4.15.3 security lease

Published Oct 14, 2026

Updated

Affected Software

1 affected component

Nlnet Labs NSD=4.15.3

Frequently Asked Questions

Which record data can trigger the reported overflows?

The affected inputs are specially formatted base64 RDATA, crafted SVCB or HTTPS resource records, crafted HIP resource records, and specially formatted TXT-DATA RDATA.

What is the potential impact of successful exploitation?

Each listed issue is classified as high severity and as an RCE-class stack overwrite.

Is there a known patch baseline?

The supplied patches were tested to apply and work on NSD 4.15.2.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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