CVE-2026-3608— Stack overflow in Kea daemons
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I. Basic Information for CVE-2026-3608
Vulnerability Information
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Vulnerability Title
Stack overflow in Kea daemons
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sending a maliciously crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons over any configured API socket or HA listener can cause the receiving daemon to exit with a stack overflow error. This issue affects Kea versions 2.6.0 through 2.6.4 and 3.0.0 through 3.0.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可达断言
Source: NVD (National Vulnerability Database)
Vulnerability Title
ISC Kea 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC Kea是ISC组织的一个现代开源 DHCPv4 和 DHCPv6 服务器。 ISC Kea 2.6.0至2.6.4版本和3.0.0至3.0.2版本存在安全漏洞，该漏洞源于特制消息可能导致栈溢出错误。
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-2026-3608
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- CVE-2026-3608: Stack overflow in Kea daemonsvendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-3608
Same Patch Batch · ISC · 2026-03-25 · 5 CVEs total
| CVE-2026-3104 | 7.5 HIGH | Memory leak in code preparing DNSSEC proofs of non-existence |
| CVE-2026-1519 | 7.5 HIGH | Excessive NSEC3 iterations cause high CPU load during insecure delegation validation |
| CVE-2026-3119 | 6.5 MEDIUM | Authenticated query containing a TKEY record may cause named to terminate unexpectedly |
| CVE-2026-3591 | 5.4 MEDIUM | A stack use-after-return flaw in SIG(0) handling code may enable ACL bypass |
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Loading a malicious hook library can lead to local privilege
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-2025-13878
Malformed BRID/HHIT records can cause named to terminate une
Same weakness: CWE-617
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