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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.020 (80.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Nlnetlabs Name Server Daemon — versions 4.2.0
Weakness classification (CWE)
References
- github.com/NLnetLabs/nsd/issues/20 (Exploit, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (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.