CVE-2004-0989: Red Hat Fedora Core

High severity, CVSS 10.0. EPSS: 21.7% chance of exploitation in the next 30 days.

Multiple buffer overflows in libXML 2.6.12 and 2.6.13 (libxml2), and possibly other versions, may allow remote attackers to execute arbitrary code via (1) a long FTP URL that is not properly handled by the xmlNanoFTPScanURL function, (2) a long proxy URL containing FTP data that is not properly handled by the xmlNanoFTPScanProxy function, and other overflows related to manipulation of DNS length values, including (3) xmlNanoFTPConnect, (4) xmlNanoHTTPConnectHost, and (5) xmlNanoHTTPConnectHost.

Affected products

• Red Hat Fedora Core: version core_2.0 only
• Trustix Secure Linux: version 2.0 only; version 2.1 only
• Ubuntu Ubuntu Linux: version 4.1 only
• Xmlsoft Libxml: version 1.8.17 only
• Xmlsoft LIBXML2: version 2.5.11 only; version 2.6.6 only; version 2.6.7 only; version 2.6.8 only; version 2.6.9 only; version 2.6.11 only; …
• Xmlstarlet Command Line XML Toolkit: version 0.9.1 only

Published 2005-03-01. Last modified 2026-06-16.