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CVE-2026-3608

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c0b31c69ea8a7e92077e35b8106fd773f566a7597d5fecafde005d989614a45c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.1"],"defaultStatus":"affected","packageName":"kea","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.0.1-3.el10_1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/affected/0

{"defaultStatus":"unaffected","product":"Kea","vendor":"ISC","versions":[{"lessThanOrEqual":"2.6.4","status":"affected","version":"2.6.0","versionType":"custom"},{"lessThanOrEqual":"3.0.2","status":"affected","version":"3.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"],"defaultStatus":"affected","packageName":"kea","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:2.6.3-2.el10_0.3","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/affected/1
cwe · 2 assertions

{"cweId":"CWE-617","description":"CWE-617 Reachable Assertion","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-617","description":"Reachable Assertion","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/problemTypes/0/descriptions/0

Affected products and versions

3 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.1"],"defaultStatus":"affected","packageName":"kea","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.0.1-3.el10_1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/affected/0
{"defaultStatus":"unaffected","product":"Kea","vendor":"ISC","versions":[{"lessThanOrEqual":"2.6.4","status":"affected","version":"2.6.0","versionType":"custom"},{"lessThanOrEqual":"3.0.2","status":"affected","version":"3.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"],"defaultStatus":"affected","packageName":"kea","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:2.6.3-2.el10_0.3","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-617","description":"CWE-617 Reachable Assertion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-617","description":"Reachable Assertion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/problemTypes/0/descriptions/0

Source references

9 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/03/25/6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/1/references/0
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:11344"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/references/3
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:7342"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/references/4
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-3608"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/references/0
{"name":"RHBZ#2451139","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2451139"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/references/1
{"tags":["patch"],"url":"https://downloads.isc.org/isc/kea/2.6.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/references/1
{"tags":["patch"],"url":"https://downloads.isc.org/isc/kea/3.0.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/references/2
{"name":"CVE-2026-3608","tags":["vendor-advisory"],"url":"https://kb.isc.org/docs/cve-2026-3608"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3608.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:da0ebe6cae35e6120cb9667f2392893df7084d1fa3715eae0a39726d86f95022 · sha256:ee0d226a00f9255c… · /containers/adp/2/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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