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kea: Kea crash upon interaction between specific client options and subnet selection

🗓️ 11 Nov 2025 19:31:51Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

Kea crashes when a client with an IP sends crafted unicast and no subnets match, causing DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
alpinelinux
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CVE-2025-40779
27 Aug 202520:23
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BDU FSTEC
Kea DHCP Server DoS
8 Oct 202500:00
–bdu_fstec
circl
Circl
CVE-2025-40779
27 Aug 202517:36
–circl
cnnvd
CNNVD
ISC Kea 安全漏洞
27 Aug 202500:00
–cnnvd
cve
CVE
CVE-2025-40779
27 Aug 202520:23
–cve
cvelist
Cvelist
CVE-2025-40779 Kea crash upon interaction between specific client options and subnet selection
27 Aug 202520:23
–cvelist
debiancve
Debian CVE
CVE-2025-40779
27 Aug 202520:23
–debiancve
oraclelinux
Oracle linux
kea security update
3 Dec 202500:00
–oraclelinux
euvd
EUVD
EUVD-2025-27981
3 Oct 202520:07
–euvd
freebsd
FreeBSD
ISC KEA -- kea-dhcp4 aborts if client sends a broadcast request with particular options
27 Aug 202500:00
–freebsd
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.1aarch64kea3.0.1-1.el10_1kea-3.0.1-1.el10_1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lekea3.0.1-1.el10_1kea-3.0.1-1.el10_1.ppc64le.rpm
Red Hat Enterprise Linux10.1s390xkea3.0.1-1.el10_1kea-3.0.1-1.el10_1.s390x.rpm
Red Hat Enterprise Linux10.1x86_64kea3.0.1-1.el10_1kea-3.0.1-1.el10_1.x86_64.rpm
Red Hat Enterprise Linux10.1aarch64kea-debuginfo3.0.1-1.el10_1kea-debuginfo-3.0.1-1.el10_1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lekea-debuginfo3.0.1-1.el10_1kea-debuginfo-3.0.1-1.el10_1.ppc64le.rpm
Red Hat Enterprise Linux10.1s390xkea-debuginfo3.0.1-1.el10_1kea-debuginfo-3.0.1-1.el10_1.s390x.rpm
Red Hat Enterprise Linux10.1x86_64kea-debuginfo3.0.1-1.el10_1kea-debuginfo-3.0.1-1.el10_1.x86_64.rpm
Red Hat Enterprise Linux10.1aarch64kea-debugsource3.0.1-1.el10_1kea-debugsource-3.0.1-1.el10_1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lekea-debugsource3.0.1-1.el10_1kea-debugsource-3.0.1-1.el10_1.ppc64le.rpm
Rows per page

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11 Jul 2026 21:47Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00539
SSVC
10