CVE-2004-0816

Name: CVE-2004-0816
Creator: NVD / NIST
Published: 2004-12-23T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 11.51%

Last modified Jun 16, 2026

CVE-2004-0816 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 11.51% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

11.51%

95.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-191

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 2.6.8

References

http://secunia.com/advisories/11202/Broken Link
http://www.mandriva.com/security/advisories?name=MDKSA-2005:022Broken Link
http://www.novell.com/linux/security/advisories/2004_37_kernel.htmlBroken Link
http://www.securityfocus.com/bid/11488Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/17800Third Party Advisory, VDB Entry
http://secunia.com/advisories/11202/Broken Link
http://www.mandriva.com/security/advisories?name=MDKSA-2005:022Broken Link
http://www.novell.com/linux/security/advisories/2004_37_kernel.htmlBroken Link
http://www.securityfocus.com/bid/11488Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/17800Third Party Advisory, VDB Entry

Timeline

Published: Dec 23, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-0816?

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.

How severe is CVE-2004-0816?

CVE-2004-0816 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 11.51% probability of exploitation in the next 30 days.

How do I fix CVE-2004-0816?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-0816?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST