CVE-2004-0989Libxml Vulnerability
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…
Published Mar 1, 2005 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2004-0989, DSA-582-1
Key Facts
Patch immediately- CVE-2004-0989 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Libxml (Xmlsoft), Libxml2 (Xmlsoft), Command Line XML Toolkit (Xmlstarlet) and 4 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 22% probability of exploitation in the next 30 days.
- Fixed versions are available, including Libxml 1:1.8.17-9.2, Libxml 1.8.17-2woody2, Libxml2 0:2.5.10-7.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
22%
Higher than 97.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
41/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2004-0989
- advisoryRHSA-2004:615
- advisoryRHSA-2004:650
- patch11526
Description
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
33 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| LibxmlXmlsoft | 1.8.17 | 1.8.17-2woody2 |
| Libxml2Xmlsoft | 2.5.11, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.6, 2.6.7, 2.6.8 | 2.6.11-5 |
| Command Line XML ToolkitXmlstarlet | 0.9.1 | n/a |
| Fedora CoreRedhat | core_2.0 | n/a |
| Secure LinuxTrustix | 2.0, 2.1 | n/a |
Patched Releases
Libxml
1:1.8.17-9.2, 1.8.17-2woody2
Libxml2
0:2.5.10-7, 2.4.19-4woody2, 2.6.11-5
rootio-libxml2
2.6.11-5
Timeline
Publicly disclosed
Mar 1, 2005
Last updated
Aug 4, 2026
References
- advisorysecurity-tracker.debian.org · CVE-2004-0989
- advisoryRHSA-2004:615
- advisoryRHSA-2004:650
- patch11526
- exploitExploitDB-24704
FAQ
Common Questions.
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 xmlNanoF…
Affected: Libxml (Xmlsoft) versions 1.8.17; Libxml2 (Xmlsoft) versions 2.5.11, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.6, 2.6.7, 2.6.8; Command Line XML Toolkit (Xmlstarlet) versions 0.9.1, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Libxml 1:1.8.17-9.2, Libxml 1.8.17-2woody2, Libxml2 0:2.5.10-7.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2004-0989 On Your Attack Surface?
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