What is CVE-2003-0959?

CVE-2003-0959 is a High severity Linux kernel vulnerability with a CVSS score of 10.0 out of 10. CVE-2003-0959 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2003-0959?

CVE-2003-0959 has a CVSS score of 10.0 out of 10, rated High severity. The vector string is AV:N/AC:L/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2003-0959?

No patch is currently available for CVE-2003-0959. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2003-0959 actively exploited?

CVE-2003-0959 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2003-0959

High

Multiple integer overflows in the 32bit emulation for AMD64 architectures in Linux 2.4 kernel before 2.4.21 allows attackers to cause a denial of service or gain root privileges via unspecified vectors that trigger copy_from_user function calls with improper length arguments.

Package Linux Kernel

Published 2003-12-31

Last modified 2026-04-16

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

10.0

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

References

The following references provide additional information about CVE-2003-0959 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Details

CVE ID CVE-2003-0959

Severity High

CVSS score 10.0 / 10

CVSS version 2.0

Published 2003-12-31

Modified 2026-04-16

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2003-0959?

CVE-2003-0959 is a High severity Linux kernel vulnerability with a CVSS score of 10.0 out of 10 . CVE-2003-0959 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2003-0959?

CVE-2003-0959 has a CVSS score of 10.0 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2003-0959?

No patch is currently available for CVE-2003-0959. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2003-0959 actively exploited?

No — CVE-2003-0959 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.