CVE-2019-6472— A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
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I. Basic Information for CVE-2019-6472
Vulnerability Information
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Vulnerability Title
A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
ISC Kea DHCP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC Kea DHCP是美国ISC公司的一款开源的DHCP（动态主机配置协议）服务器。 此条漏洞编号已分配，漏洞详情即将更新。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2019-6472
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- https://kb.isc.org/docs/cve-2019-6472x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2019-6472
Same Patch Batch · ISC · 2019-10-16 · 3 CVEs total
| CVE-2019-6473 | 6.5 MEDIUM | A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate |
| CVE-2019-6474 | 5.7 MEDIUM | A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate |
IV. Related Vulnerabilities
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Insecure handling of file paths allows multiple local attack
Same vendor: ISC
- CVE-2026-3591
A stack use-after-return flaw in SIG(0) handling code may en - CVE-2026-3119
Authenticated query containing a TKEY record may cause named - CVE-2026-3104
Memory leak in code preparing DNSSEC proofs of non-existence - CVE-2026-1519
Excessive NSEC3 iterations cause high CPU load during insecu - CVE-2026-3608
Stack overflow in Kea daemons
V. Comments for CVE-2019-6472
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