CVE-2018-5732

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CVSS 3.1

7.5 high

EPSS

5%p92

Published

Oct 9, 2019 (Oct 9, 2019)

Modified

Jun 17, 2026

Description

Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer overflow (and resulting crash) in dhclient by sending a response containing a specially constructed options section. Affects ISC DHCP versions 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0

Vendors: isc
Products: dhcp
Weakness: CWE-119
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (5.2%)

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