CVE-2004-0816 Integer overflow in n/a

What is CVE-2004-0816?

CVE-2004-0816 is a high-severity vulnerability in Linux kernel, published on 26 Oct 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-191

Which versions are affected by CVE-2004-0816?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2004-0816?

No fix has been published for CVE-2004-0816 yet. Limit exposure of the affected software until one is available.

Is CVE-2004-0816 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-0816 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-g36g-xcjc-mwvj.