CVE-2019-13207
CVSS v3
9.8
CRITICAL
EPSS Score
2.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.
Technical details
- Published
- 2019-07-03
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.
Is CVE-2019-13207 actively exploited?
Active exploitation of CVE-2019-13207 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-13207?
CVE-2019-13207 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2019-13207 affecting your environment?
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