CVE-2018-5733
- Source
- https://cve.org/CVERecord?id=CVE-2018-5733
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-5733.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-5733
- Downstream
- Related
- Published
- 2019-01-16T20:29:00.753Z
- Modified
- 2026-02-16T07:33:59.423712Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- http://www.securityfocus.com/bid/103188
- http://www.securitytracker.com/id/1040437
- https://access.redhat.com/errata/RHSA-2018:0469
- https://access.redhat.com/errata/RHSA-2018:0483
- https://kb.isc.org/docs/aa-01567
- https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html
- https://usn.ubuntu.com/3586-1/
- https://usn.ubuntu.com/3586-2/
- https://www.debian.org/security/2018/dsa-4133
- https://security.netapp.com/advisory/ntap-20250425-0010/
Affected packages
Git / gitlab.isc.org/isc-projects/dhcp
Affected ranges
- Type
- GIT
- Repo
- https://gitlab.isc.org/isc-projects/dhcp
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroducedLast affectedIntroducedLast affected