CVE-2019-6472
A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
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.
- Record
CVE-2019-6472- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2019-16032
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.
- Record
EUVD-2019-16032- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fq2x-j295-rq5g
A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit...
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.
- Record
GHSA-fq2x-j295-rq5g- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2019-6472- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-617
- Updated
- 2026-11-02
OSVALPINE-CVE-2019-6472
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.
- Record
ALPINE-CVE-2019-6472- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSV
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.
- Record
CVE-2019-6472- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-6472
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.
- Record
DEBIAN-CVE-2019-6472- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-6472
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.
- Record
UBUNTU-CVE-2019-6472- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
keaAlpine:v3.11 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.12 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.13 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.14 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.15 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.16 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.17 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.18 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.19 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.20 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
Show 9 moreShow less
| Package | Affected | Fixed |
|---|---|---|
keaAlpine:v3.21 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.22 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.23 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
keaAlpine:v3.24 | 1.4.0 up to 1.7.2-r0 | 1.7.2-r0 |
isc-keaDebian:12 | before 1.7.5-1 | 1.7.5-1 |
isc-keaDebian:13 | before 1.7.5-1 | 1.7.5-1 |
isc-keaDebian:14 | before 1.7.5-1 | 1.7.5-1 |
isc-keaUbuntu:Pro:16.04:LTS | All versions, plus listed versions 1.0.0-11.0.0-1build11.0.0-1ubuntu0.1~esm1 | None known |
isc-keaUbuntu:Pro:18.04:LTS | All versions, plus listed versions 1.1.0-11.1.0-1build11.1.0-1build21.1.0-1ubuntu0.1~esm1 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| affected | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-6472 is a medium vulnerability (CVSS 6.5) in Isc Kea, published August 28, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. Fixed in kea 1.7.2-r0.