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Fencer Vulns
high 7.2

CVE-2007-5365 in the critical feed json

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 implementat…

published 2007-10-11 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-5343

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
80.3%
EPSS 80.3% chance of exploitation in 30 days, percentile 99.6%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • dhcp RHEL 2.1 1:2.0pl5-11

red hat advisories RHSA-2007:0970

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-5365 updated

dhcpd stack-based buffer overlow

  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 dhcp 2.0pl5-11 Red Hat Enterprise Linux ES version 2.1 dhcp 2.0pl5-11 Red Hat Linux Advanced Workstation 2.1 dhcp 2.0pl5-11
    fixed: vendor fix RHSA-2007:0970

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-4601)

Exploit prediction

80.27% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4601 Ubuntu 6.06 - DHCPd Remote Denial of Service dos, 2007-11-02

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.