CVE-2003-0418

CVE-2003-0418 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The Linux 2.0 kernel IP stack does not properly calculate the size of an ICMP citation, which causes it to include portions of unauthorized memory in ICMP error responses.

Frequently asked questions

What is CVE-2003-0418?
The Linux 2.0 kernel IP stack does not properly calculate the size of an ICMP citation, which causes it to include portions of unauthorized memory in ICMP error responses.
How severe is CVE-2003-0418?
CVE-2003-0418 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0418 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0418?
CVE-2003-0418 primarily affects Linux Linux Kernel. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0418?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0418 published?
CVE-2003-0418 was published on 2003-07-24 and last updated on 2026-06-16.

References

Affected products (40)

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