| Package | Affected versions | Patched versions |
|---|---|---|
| dhcp | = 4.1-esv= 4.1.0= 4.4.0≥ 4.2.0, ≤ 4.2.8≥ 4.3.0, ≤ 4.3.6 |
A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.
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