RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Published Jul 23, 2026
7.5
HIGHCVSS 3.1
EPSS 0.18%
Description
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Affected products
-
- Version 5.2.0StatusaffectedConstraints<5.2.12
- Version 5.3.0StatusaffectedConstraints<5.3.9
- Version 5.4.0StatusaffectedConstraints<5.4.4
- Version
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Jul 23, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Jul–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.18% (0.00176) | 6.48th | v5 (v2026.06.15) |
| Jul 23, 2026 | 0.39% (0.00394) | 31.92th | v5 (v2026.06.15) |
References (1)
Change history (0)
No recorded changes yet.