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Medium severity5.7NVD Advisory· Published Oct 16, 2019· Updated Jun 17, 2026

CVE-2019-6474

CVE-2019-6474

Description

A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage contains leases which are rejected as invalid when the server tries to load leases from storage on restart. If the number of such leases exceeds a hard-coded limit in the Kea code, a server trying to restart will conclude that there is a problem with its lease store and give up. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5
  • Isc/Kea5 versions
    cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*range: >=1.4.0,<=1.5.0
    • cpe:2.3:a:isc:kea:1.6.0:beta1:*:*:*:*:*:*
    • cpe:2.3:a:isc:kea:1.6.0:beta2:*:*:*:*:*:*
    • (no CPE)range: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2
    • (no CPE)range: 1.4.0 to 1.5.0

Patches

Vulnerability mechanics

References

1

News mentions

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