Is CVE-2003-0466 actively exploited?

CVE-2003-0466 has no public evidence of in-the-wild exploitation as of 2026-04-16.

What is the CVSS score for CVE-2003-0466?

CVE-2003-0466 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2003-0466?

Patch guidance is available from redhat security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2003-0466.

Fix CVE-2003-0466 - CRITICAL redhat wu ftpd

Q: Which products are affected by CVE-2003-0466?

8 products: redhat wu ftpd, wuftpd wu-ftpd, apple mac os x, apple mac os x server, freebsd freebsd, and 3 more.

Description

Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow attackers to execute arbitrary code, as demonstrated in wu-ftpd 2.5.0 through 2.6.2 via commands that cause pathnames of length MAXPATHLEN+1 to trigger a buffer overflow, including (1) STOR, (2) RETR, (3) APPE, (4) DELE, (5) MKD, (6) RMD, (7) STOU, or (8) RNTO.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-193

Metadata

Primary Vendor: REDHAT
Published: 8/27/2003
Last Modified: 4/16/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

redhat : wu_ftpdwuftpd : wu-ftpdapple : mac_os_xapple : mac_os_x_serverfreebsd : freebsdnetbsd : netbsdopenbsd : openbsdsun : solaris

Remediation Guidance

Executive Summary

View on NIST NVD