CVE-2008-4409
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities,...
CVE-2008-4409 is a medium vulnerability (CVSS 5.0) in Xmlsoft Libxml2, published October 3, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.53%, the 95th percentile. Fixed in libxml2 2.9.4-1.22.
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.
Exploit likelihood
What each source reports
NVD Score used
5.0
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.
- Record
CVE-2008-4409- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.
- Record
CVE-2008-4409- Updated
- 2026-11-02
EUVDEUVD-2008-4390 No score
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.
- Record
EUVD-2008-4390- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-34h5-p5c9-pjw6 No score
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities,...
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.
- Record
GHSA-34h5-p5c9-pjw6- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10192-1 No score
libxml2-2-2.9.4-1.22 on GA media
These are all security issues fixed in the libxml2-2-2.9.4-1.22 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10192-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10228-1 No score
python-libxml2-2.9.4-1.4 on GA media
These are all security issues fixed in the python-libxml2-2.9.4-1.4 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10228-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libxml2openSUSE:Tumbleweed |
before 2.9.4-1.22 | 2.9.4-1.22 |
python-libxml2openSUSE:Tumbleweed |
before 2.9.4-1.4 | 2.9.4-1.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | libxml2 - Denial of Service | 2008-10-02 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
References
support.apple.com/kb/HT3639
vupen.com/english/advisories/2009/1621
lists.apple.com/archives/security-announce/2009/jun/msg00002.html
redhat.com/archives/fedora-package-announce/2008-October/msg00125.html
vupen.com/english/advisories/2009/1522
security.gentoo.org/glsa/glsa-200812-06.xml
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lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
openwall.com/lists/oss-security/2008/10/02/4
secunia.com/advisories/32130
mandriva.com/security/advisories?name=MDVSA-2008:212
secunia.com/advisories/35379
securityfocus.com/bid/31555
redhat.com/archives/fedora-package-announce/2008-October/msg00130.html
secunia.com/advisories/32974
secunia.com/advisories/32175
support.apple.com/kb/HT3613
exchange.xforce.ibmcloud.com/vulnerabilities/45633
bugzilla.gnome.org/show_bug.cgi?id=554660
nvd.nist.gov/vuln/detail/CVE-2008-4409
github.com/advisories/GHSA-34h5-p5c9-pjw6
suse.com/security/cve/CVE-2008-4225
suse.com/security/cve/CVE-2008-4226
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