CVE-2016-6173: nlnetlabs nsd Resource Management Errors
CVSS: 7.8v2.0HighModified
AliasesUBUNTU-CVE-2016-6173DEBIAN-CVE-2016-6173
Published 09-02-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-6173 is a high (CVSS 7.8) Resource Management Errors vulnerability in nlnetlabs nsd. EPSS estimates a 2.92% chance of exploitation in the next 30 days, higher than 86.8% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
2.92%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 09-02-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
NSD before 4.1.11 allows remote DNS master servers to cause a denial of service (/tmp disk consumption and slave server crash) via a zone transfer with unlimited data.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
2.92%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 2.92% on 19-09-2026
19-09-202619-10-2026
EPSS score2.92%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- nsd< 4.1.11-1
Nlnetlabs1 product
- nsd≤ 4.1.10
Ubuntu1 product
- nsdAll versions (No fix recorded)
3 vendors · 3 products
References
11 links- open.nlnetlabs.nl/pipermail/nsd-users/2016-August/002342.htmlMailing ListX Refsource MLISTRelease NotesVendor Advisory
- lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.htmlMailing ListX Refsource MLISTThird Party Advisory
- www.openwall.com/lists/oss-security/2016/07/06/4Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
- www.nlnetlabs.nl/svn/nsd/tags/NSD_4_1_11_REL/doc/RELNOTESX Refsource CONFIRMRelease NotesVendor Advisory
