CVE-2004-0816
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote...
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.
- Record
CVE-2004-0816- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-191
- Updated
- 2026-11-02
CVE List No score
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.
- Record
CVE-2004-0816- Updated
- 2026-11-02
EUVDEUVD-2004-0814 No score
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.
- Record
EUVD-2004-0814- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g36g-xcjc-mwvj
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote...
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.
- Record
GHSA-g36g-xcjc-mwvj- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-191
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Linux Kernel 2.6.x - IPTables Logging Rules Integer Underflow Remote (PoC) | 2004-11-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-0816 is a high vulnerability (CVSS 7.5) in Linux Kernel, published October 26, 2004. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.5%, the 96th percentile. No source names a fixed version.