CVE-2003-0039
ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote...
ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.
Exploit likelihood
What each source reports
NVD Score used
ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.
- Record
CVE-2003-0039- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.
- Record
CVE-2003-0039- Updated
- 2026-11-02
EUVDEUVD-2003-0038 No score
ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.
- Record
EUVD-2003-0038- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h2v9-xvmg-qcc7 No score
ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote...
ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.
- Record
GHSA-h2v9-xvmg-qcc7- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dhcp3Debian:3.0 |
before 3.0+3.0.1rc9-2.2 | 3.0+3.0.1rc9-2.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-0039 is a medium vulnerability (CVSS 5.0) in Isc Dhcpd, published January 28, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.95%, the 94th percentile. Fixed in dhcp3 3.0+3.0.1rc9-2.2.