CVE-2017-1000232: nlnetlabs ldns Double Free
CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2017-1000232UBUNTU-CVE-2017-1000232DEBIAN-CVE-2017-1000232
Published 17-11-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-1000232 is a critical (CVSS 9.8) Double Free vulnerability in nlnetlabs ldns. EPSS estimates a 2.30% chance of exploitation in the next 30 days, higher than 83% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 17-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A double-free vulnerability in str2host.c in ldns 1.7.0 have unspecified impact and attack vectors.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.30%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.30% on 19-09-2026
19-09-202619-10-2026
EPSS score2.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (nlnetlabs.nl)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- ldns< 1.7.0-r1
Debian1 product
- ldns< 1.7.0-4
Nlnetlabs1 product
- ldns1.7.0
Ubuntu1 product
- ldns< 1.6.17-1ubuntu0.1 | < 1.6.17-8ubuntu0.1
4 vendors · 4 products
