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CVE-2009-2416

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32,...

6.5 MediumFix available

CVE-2009-2416 is a medium vulnerability (CVSS 6.5) in Xmlsoft Libxml, published August 10, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.96%, the 80th percentile. Fixed in libxml2 2.7.3.dfsg-2.1.

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.96%Down 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.5

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Record
CVE-2009-2416
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-416
Updated
2026-11-02
CVE List 6.5

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Record
CVE-2009-2416
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-416
Updated
2026-11-02
EUVDEUVD-2009-2412 6.5

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Record
EUVD-2009-2412
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-2vw2-h5mp-gfhw 6.5

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32,...

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Record
GHSA-2vw2-h5mp-gfhw
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-416
Updated
2026-11-02
OSV 6.5

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Record
CVE-2009-2416
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2009-2416 6.5

Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allow context-dependent attackers to cause a denial of service (application crash) via crafted (1) Notation or (2) Enumeration attribute types in an XML file, as demonstrated by the Codenomicon XML fuzzing framework.

Record
DEBIAN-CVE-2009-2416
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

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Affected packages

Affected packages
PackageAffectedFixed
libxml2
Debian:12
 before 2.7.3.dfsg-2.1
2.7.3.dfsg-2.1
libxml2
Debian:13
 before 2.7.3.dfsg-2.1
2.7.3.dfsg-2.1
libxml2
Debian:14
 before 2.7.3.dfsg-2.1
2.7.3.dfsg-2.1
libxml2
Debian:4.0
 before 2.6.27.dfsg-6+etch1, plus listed versions
2.6.27.dfsg-12.6.27.dfsg-22.6.27.dfsg-32.6.27.dfsg-42.6.27.dfsg-52.6.27.dfsg-6
2.6.27.dfsg-6+etch1
libxml2
Debian:5.0
 before 2.6.32.dfsg-5+lenny1, plus listed versions
2.6.32.dfsg-5
2.6.32.dfsg-5+lenny1
libxml
Debian:4.0
 before 1:1.8.17-14+etch1, plus listed versions
1:1.8.17-14
1:1.8.17-14+etch1
libxml
Red Hat:enterprise_linux:3::as
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-debuginfo
Red Hat:enterprise_linux:3::as
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-devel
Red Hat:enterprise_linux:3::as
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml2
Red Hat:enterprise_linux:3::as
 before 0:2.5.10-15
0:2.5.10-15
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Affected packages
PackageAffectedFixed
libxml2-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:2.5.10-15
0:2.5.10-15
libxml2-devel
Red Hat:enterprise_linux:3::as
 before 0:2.5.10-15
0:2.5.10-15
libxml2-python
Red Hat:enterprise_linux:3::as
 before 0:2.5.10-15
0:2.5.10-15
libxml
Red Hat:enterprise_linux:3::desktop
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-devel
Red Hat:enterprise_linux:3::desktop
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml2
Red Hat:enterprise_linux:3::desktop
 before 0:2.5.10-15
0:2.5.10-15
libxml2-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:2.5.10-15
0:2.5.10-15
libxml2-devel
Red Hat:enterprise_linux:3::desktop
 before 0:2.5.10-15
0:2.5.10-15
libxml2-python
Red Hat:enterprise_linux:3::desktop
 before 0:2.5.10-15
0:2.5.10-15
libxml
Red Hat:enterprise_linux:3::es
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-debuginfo
Red Hat:enterprise_linux:3::es
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-devel
Red Hat:enterprise_linux:3::es
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml2
Red Hat:enterprise_linux:3::es
 before 0:2.5.10-15
0:2.5.10-15
libxml2-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:2.5.10-15
0:2.5.10-15
libxml2-devel
Red Hat:enterprise_linux:3::es
 before 0:2.5.10-15
0:2.5.10-15
libxml2-python
Red Hat:enterprise_linux:3::es
 before 0:2.5.10-15
0:2.5.10-15
libxml
Red Hat:enterprise_linux:3::ws
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-debuginfo
Red Hat:enterprise_linux:3::ws
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml-devel
Red Hat:enterprise_linux:3::ws
 before 1:1.8.17-9.3
1:1.8.17-9.3
libxml2
Red Hat:enterprise_linux:3::ws
 before 0:2.5.10-15
0:2.5.10-15
libxml2-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:2.5.10-15
0:2.5.10-15
libxml2-devel
Red Hat:enterprise_linux:3::ws
 before 0:2.5.10-15
0:2.5.10-15
libxml2-python
Red Hat:enterprise_linux:3::ws
 before 0:2.5.10-15
0:2.5.10-15
libxml2
Red Hat:enterprise_linux:4::as
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-python
Red Hat:enterprise_linux:4::as
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-python
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2
Red Hat:enterprise_linux:4::es
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-python
Red Hat:enterprise_linux:4::es
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2
Red Hat:enterprise_linux:4::ws
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2-python
Red Hat:enterprise_linux:4::ws
 before 0:2.6.16-12.7
0:2.6.16-12.7
libxml2
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2
Red Hat:enterprise_linux:5::client
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2-python
Red Hat:enterprise_linux:5::client
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2
Red Hat:enterprise_linux:5::server
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8
libxml2-python
Red Hat:enterprise_linux:5::server
 before 0:2.6.26-2.1.2.8
0:2.6.26-2.1.2.8

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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