Every CVE Search/ Get API key

CVE-2012-4423

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to...

5.0 MediumFix available

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Exploit likelihood

3.72%Up 1.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Record
CVE-2012-4423
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Record
CVE-2012-4423
Updated
2026-11-02
EUVDEUVD-2012-4358 No score

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Record
EUVD-2012-4358
Updated
2026-11-03
GitHub AdvisoriesGHSA-82q7-xh57-cm62 No score

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to...

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Record
GHSA-82q7-xh57-cm62
Updated
2026-11-02
OSV No score

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Record
CVE-2012-4423
Updated
2026-11-02
OSVDEBIAN-CVE-2012-4423 No score

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Record
DEBIAN-CVE-2012-4423
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libvirt
Debian:12
 before 0.9.12-5
0.9.12-5
libvirt
Debian:13
 before 0.9.12-5
0.9.12-5
libvirt
Debian:14
 before 0.9.12-5
0.9.12-5
libvirt
Red Hat:enterprise_linux:6::client
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-client
Red Hat:enterprise_linux:6::client
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-python
Red Hat:enterprise_linux:6::client
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-devel
Red Hat:enterprise_linux:6::client
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-lock-sanlock
Red Hat:enterprise_linux:6::client
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt
Red Hat:enterprise_linux:6::computenode
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
Show 17 moreShow less
Affected packages
PackageAffectedFixed
libvirt-client
Red Hat:enterprise_linux:6::computenode
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-python
Red Hat:enterprise_linux:6::computenode
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-devel
Red Hat:enterprise_linux:6::computenode
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-lock-sanlock
Red Hat:enterprise_linux:6::computenode
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt
Red Hat:enterprise_linux:6::server
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-client
Red Hat:enterprise_linux:6::server
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-devel
Red Hat:enterprise_linux:6::server
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-python
Red Hat:enterprise_linux:6::server
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-lock-sanlock
Red Hat:enterprise_linux:6::server
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt
Red Hat:enterprise_linux:6::workstation
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-client
Red Hat:enterprise_linux:6::workstation
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-devel
Red Hat:enterprise_linux:6::workstation
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-python
Red Hat:enterprise_linux:6::workstation
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5
libvirt-lock-sanlock
Red Hat:enterprise_linux:6::workstation
 before 0:0.9.10-21.el6_3.5
0:0.9.10-21.el6_3.5

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2012-4423 is a medium vulnerability (CVSS 5.0) in Redhat Libvirt, published November 19, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.72%, the 89th percentile. Fixed in libvirt 0.9.12-5.

References

Show 19 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open