CVE-2019-13207

Name: CVE-2019-13207
Creator: NVD / NIST
Published: 2019-07-03T20:15:11.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.03%

Last modified Jun 17, 2026

CVE-2019-13207 is a vulnerability of currently unknown severity. nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.. EPSS estimates a 2.03% chance of exploitation in the next 30 days.

Description

nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.

Metrics

EPSS Probability

2.03%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Nlnetlabs	Name Server Daemon	4.2.0

References

https://github.com/NLnetLabs/nsd/issues/20Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FDS4H7WVHQGCX3LF72F5K22VJXN7HDBB/
https://github.com/NLnetLabs/nsd/issues/20Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FDS4H7WVHQGCX3LF72F5K22VJXN7HDBB/

Timeline

Published: Jul 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-13207?

nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.

How severe is CVE-2019-13207?

Severity scoring for CVE-2019-13207 is pending analysis. The EPSS model estimates a 2.03% probability of exploitation in the next 30 days.

How do I fix CVE-2019-13207?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-13207?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST