CVE-2007-5365

What it is

Stack-based buffer overflow in the cons_options function in options.c in dhcpd in OpenBSD 4.0 through 4.2, and some other dhcpd implementations based on ISC dhcp-2, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a DHCP request specifying a maximum message size smaller than the minimum IP MTU.

At a glance

Exploitability

Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

80.3% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2007-10-11 10:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:45 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 80.3% in the next 30 days (EPSS).
• Severity: 7.2 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2007-10-11 10:17 UTC

Last modified

2026-06-16 22:45 UTC

Exploit probability

80.3% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Debian Linux 3.1
• Debian Linux 4.0
• Openbsd 4.0
• Openbsd 4.1
• Openbsd 4.2
• Redhat Enterprise Linux 2.1
• Redhat Linux Advanced Workstation 2.1
• Sun Opensolaris snv_01

Attack profile CVSS 2.0 · 7.2

Attack vector

Local

Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-5365.md and follow it. Check whether this project is affected by CVE-2007-5365. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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