What is CVE-2003-0418?

CVE-2003-0418 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10. CVE-2003-0418 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2003-0418?

CVE-2003-0418 has a CVSS score of 5.0 out of 10, rated Medium severity. The vector string is AV:N/AC:L/Au:N/C:P/I:N/A:N.

Is there a patch available for CVE-2003-0418?

No patch is currently available for CVE-2003-0418. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2003-0418 actively exploited?

CVE-2003-0418 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2003-0418

Medium

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.

Package Linux Kernel

Published 2003-07-24

Last modified 2026-04-16

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

5.0

out of 10

Medium

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

None

Vector string

AV:N/AC:L/Au:N/C:P/I:N/A:N

References

The following references provide additional information about CVE-2003-0418 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Marc
http://marc.info/?l=bugtraq&m=105519179005065&w=2
Kernel patch commit
http://www.cartel-securite.fr/pbiondi/adv/CARTSA-20030314-icmpleak.txt
Patch
Kernel patch commit
http://www.kb.cert.org/vuls/id/471084
Patch

Details

CVE ID CVE-2003-0418

Severity Medium

CVSS score 5.0 / 10

CVSS version 2.0

Published 2003-07-24

Modified 2026-04-16

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2003-0418?

CVE-2003-0418 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10 . CVE-2003-0418 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2003-0418?

CVE-2003-0418 has a CVSS score of 5.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:P/I:N/A:N.
Is there a patch available for CVE-2003-0418?

No patch is currently available for CVE-2003-0418. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2003-0418 actively exploited?

No — CVE-2003-0418 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.