What is CVE-2019-13207?

CVE-2019-13207 is a critical-severity vulnerability in Nlnetlabs Name Server Daemon, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-03.

How severe is CVE-2019-13207?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Nlnetlabs Name Server Daemon

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.

Vulnerability class: Buffer Overflow

EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nlnetlabs Name_server_daemon — versions 4.2.0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_FEDORA, vendor-advisory)

Frequently asked questions

What is CVE-2019-13207?: CVE-2019-13207 is a critical-severity vulnerability in Nlnetlabs Name Server Daemon, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-03.
How severe is CVE-2019-13207?: Critical severity. CVSS v3 base score is 9.8 out of 10.