CVE-2017-15105
MEDIUM5.3EPSS 0.69%unbound - security update
Published: 1/23/2018Modified: 4/28/2026
Description
A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.
Affected packages (3)
- Debian/unboundfrom 0, < 1.7.1-1
- Debian/unboundfrom 0, < 1.4.17-3+deb7u3
- Debian/unboundfrom 0, < 1.4.22-3+deb8u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |