A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
Priority LOW 30CWE-617Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-617.
Summary
A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.
Why it matters now
EPSS 0.00802 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ISC | Kea | 1.4.0 to 1.5.0; 1.6.0-beta1; 1.6.0-beta2 | — | No fix listed | CNA |
- Kea VendorISC Affected 1.4.0 to 1.5.0; 1.6.0-beta1; 1.6.0-beta2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-6472
- 2026-10-03 Alias added: GHSA-fq2x-j295-rq5g
References
Advisory 1
More ISC Kea vulnerabilities
- TI-2018-04146 Failure to release memory may exhaust system resources CVSS 3.0HIGH 7.5
- TI-2015-06893 The kea-dhcp4 and kea-dhcp6 servers 0.9.2 and 1.0.0-beta in ISC Kea, when certain… CVSS 3.0MEDIUM 6.8
- TI-2019-04538 A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate CVSS 3.1MEDIUM 6.5
Sources
- CVE-2019-6472 · CVE Program
- CVE-2019-6472 · NVD
- FIRST EPSS
- GHSA-fq2x-j295-rq5g · GitHub Advisory Database · CC BY 4.0
- CVE-2019-6472 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences