CVE-2011-2511
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of...
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
Exploit likelihood
What each source reports
NVD Score used
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
- Record
CVE-2011-2511- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
- Record
CVE-2011-2511- Updated
- 2026-11-02
EUVDEUVD-2011-2496 No score
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
- Record
EUVD-2011-2496- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vxfh-2pc2-vcmc No score
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of...
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
- Record
GHSA-vxfh-2pc2-vcmc- Updated
- 2026-11-02
OSV No score
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
- Record
CVE-2011-2511- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-2511 No score
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
- Record
DEBIAN-CVE-2011-2511- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10209-1 No score
libvirt-2.5.0-1.1 on GA media
These are all security issues fixed in the libvirt-2.5.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10209-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libvirtDebian:12 |
before 0.9.2-7 | 0.9.2-7 |
libvirtDebian:13 |
before 0.9.2-7 | 0.9.2-7 |
libvirtDebian:14 |
before 0.9.2-7 | 0.9.2-7 |
libvirtDebian:6.0 From an advisory covering 2 CVEs |
before 0.8.3-5+squeeze2, plus listed versions 0.8.3-50.8.3-5+squeeze00.8.3-5+squeeze10.8.3-5+squeeze1~bpo50+10.8.3-5+squeeze2~bpo50+2 |
0.8.3-5+squeeze2 |
libvirtDebian:5.0 From an advisory covering 2 CVEs |
before 0.4.6-10+lenny2, plus listed versions 0.4.6-100.4.6-10+lenny1 |
0.4.6-10+lenny2 |
libvirtRed Hat:rhel_virtualization:5::client |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
libvirt-debuginfoRed Hat:rhel_virtualization:5::client |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
libvirt-develRed Hat:rhel_virtualization:5::client |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
libvirt-pythonRed Hat:rhel_virtualization:5::client |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
libvirtRed Hat:rhel_virtualization:5::server |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
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| Package | Affected | Fixed |
|---|---|---|
libvirt-debuginfoRed Hat:rhel_virtualization:5::server |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
libvirt-develRed Hat:rhel_virtualization:5::server |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
libvirt-pythonRed Hat:rhel_virtualization:5::server |
before 0:0.8.2-22.el5 | 0:0.8.2-22.el5 |
libvirtRed Hat:enterprise_linux:6::server |
before 0:0.8.7-18.el6_1.1 | 0:0.8.7-18.el6_1.1 |
libvirt-clientRed Hat:enterprise_linux:6::server |
before 0:0.8.7-18.el6_1.1 | 0:0.8.7-18.el6_1.1 |
libvirt-debuginfoRed Hat:enterprise_linux:6::server |
before 0:0.8.7-18.el6_1.1 | 0:0.8.7-18.el6_1.1 |
libvirt-develRed Hat:enterprise_linux:6::server |
before 0:0.8.7-18.el6_1.1 | 0:0.8.7-18.el6_1.1 |
libvirt-pythonRed Hat:enterprise_linux:6::server |
before 0:0.8.7-18.el6_1.1 | 0:0.8.7-18.el6_1.1 |
libvirtopenSUSE:Tumbleweed From an advisory covering 32 CVEs |
before 2.5.0-1.1 | 2.5.0-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2511 is a medium vulnerability (CVSS 4.0) in Redhat Libvirt, published July 19, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.54%, the 89th percentile. Fixed in libvirt 0.9.2-7.
References
libvirt.org/news.html
exchange.xforce.ibmcloud.com/vulnerabilities/68271
secunia.com/advisories/45441
lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html
openwall.com/lists/oss-security/2011/06/28/9
Show 64 moreShow less
redhat.com/support/errata/RHSA-2011-1197.html
ubuntu.com/usn/USN-1180-1
securitytracker.com/id?1025822
debian.org/security/2011/dsa-2280
hermes.opensuse.org/messages/10027908
nvd.nist.gov/vuln/detail/CVE-2011-2511
access.redhat.com/errata/RHSA-2011:1019
bugzilla.redhat.com/show_bug.cgi?id=717199
github.com/advisories/GHSA-vxfh-2pc2-vcmc
security-tracker.debian.org/tracker/CVE-2011-2511
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1019.json
cve.org/CVERecord?id=CVE-2011-2511
suse.com/security/cve/CVE-2010-2242