CVE-2019-13207
9.8
CRITICAL
CVSS 3.1
EPSS 0.50%
Description
nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.
How to fix CVE-2019-13207
To remediate CVE-2019-13207, upgrade the affected package to a fixed version below.
- Debian/nsd—upgrade to 4.2.4-1 or later
Is CVE-2019-13207 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.2.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |