CVE-2011-2511

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-08-10 · updated 2026-06-16
Weakness: CWE-189

Description

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.

Affected products

libvirt: through 0.9.2; 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6 (+51)

References

http://libvirt.org/news.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062855.html
http://secunia.com/advisories/45375
http://secunia.com/advisories/45441
http://secunia.com/advisories/45446
http://www.debian.org/security/2011/dsa-2280
http://www.openwall.com/lists/oss-security/2011/06/28/9
http://www.redhat.com/support/errata/RHSA-2011-1019.html
http://www.redhat.com/support/errata/RHSA-2011-1197.html
http://www.securitytracker.com/id?1025822
http://www.ubuntu.com/usn/USN-1180-1

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