CVE-2019-10190
HIGH7.5EPSS 0.26%knot-resolver - security update
Published: 7/16/2019Modified: 4/28/2026
Description
A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.
Affected packages (2)
- Debian/knot-resolverfrom 0, < 5.0.1-1
- Debian/knot-resolverfrom 0, < 3.2.1-3+deb10u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |