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CVE-2008-4409

libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities,...

5.0 MediumPublic exploit

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

8.53%Down 4.0 points since Feb 4, 2022
90%50%10%1%

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 MediumAV: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

Affected packages
PackageAffectedFixed
libxml2
openSUSE:Tumbleweed
From an advisory covering 32 CVEs
 before 2.9.4-1.22
2.9.4-1.22
python-libxml2
openSUSE:Tumbleweed
From an advisory covering 16 CVEs
 before 2.9.4-1.4
2.9.4-1.4

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBlibxml2 - Denial of Service2008-10-02

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

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. No source names a fixed version.

References

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