Double Free in Nlnetlabs Ldns

CVE-2017-1000231

A double-free vulnerability in parse.c in ldns 1.7.0 have unspecified impact and attack vectors.

Vulnerability class: Double Free

EPSS: 0.027 (84.1th 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 Ldns — versions 1.7.0
N/a — versions n/a

Weakness classification (CWE)

CWE-415 — Double Free

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

cve@mitre.org (mailing-list, x_refsource_MLIST)
cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2017-1000231?: CVE-2017-1000231 is a critical-severity vulnerability in Nlnetlabs Ldns, classified under Double Free. CVSS score: 9.8/10. Published 2017-11-17.
How severe is CVE-2017-1000231?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-1000231 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.