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TI-2011-02203 Aliases CVE-2011-2511GHSA-vxfh-2pc2-vcmc

Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a…

Priority LOW 25CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Partial Red Hat: 3 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.03536 89th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 3 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 58

CPEVersionsRoleVendor
cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*up to 0.9.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.0.1:*:*:*:*:*:*:*0.0.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.0.2:*:*:*:*:*:*:*0.0.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.0.3:*:*:*:*:*:*:*0.0.3VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.0.4:*:*:*:*:*:*:*0.0.4VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.0.5:*:*:*:*:*:*:*0.0.5VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.0.6:*:*:*:*:*:*:*0.0.6VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.0:*:*:*:*:*:*:*0.1.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.1:*:*:*:*:*:*:*0.1.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.3:*:*:*:*:*:*:*0.1.3VulnerableRed Hat
  • cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* Versions up to 0.9.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.0.1:*:*:*:*:*:*:* Versions 0.0.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.0.2:*:*:*:*:*:*:* Versions 0.0.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.0.3:*:*:*:*:*:*:* Versions 0.0.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.0.4:*:*:*:*:*:*:* Versions 0.0.4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.0.5:*:*:*:*:*:*:* Versions 0.0.5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.0.6:*:*:*:*:*:*:* Versions 0.0.6 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.1:*:*:*:*:*:*:* Versions 0.1.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.3:*:*:*:*:*:*:* Versions 0.1.3 Vulnerable ·Red Hat
Show 48 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:redhat:libvirt:0.1.4:*:*:*:*:*:*:*0.1.4VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.5:*:*:*:*:*:*:*0.1.5VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.6:*:*:*:*:*:*:*0.1.6VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.7:*:*:*:*:*:*:*0.1.7VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.8:*:*:*:*:*:*:*0.1.8VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.1.9:*:*:*:*:*:*:*0.1.9VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.2.0:*:*:*:*:*:*:*0.2.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.2.1:*:*:*:*:*:*:*0.2.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.2.2:*:*:*:*:*:*:*0.2.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.2.3:*:*:*:*:*:*:*0.2.3VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.3.0:*:*:*:*:*:*:*0.3.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.3.1:*:*:*:*:*:*:*0.3.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.3.2:*:*:*:*:*:*:*0.3.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.3.3:*:*:*:*:*:*:*0.3.3VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.4.0:*:*:*:*:*:*:*0.4.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.4.1:*:*:*:*:*:*:*0.4.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.4.2:*:*:*:*:*:*:*0.4.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.4.3:*:*:*:*:*:*:*0.4.3VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.4.4:*:*:*:*:*:*:*0.4.4VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.4.5:*:*:*:*:*:*:*0.4.5VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.4.6:*:*:*:*:*:*:*0.4.6VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.5.0:*:*:*:*:*:*:*0.5.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.5.1:*:*:*:*:*:*:*0.5.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.6.0:*:*:*:*:*:*:*0.6.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.6.1:*:*:*:*:*:*:*0.6.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.6.2:*:*:*:*:*:*:*0.6.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.6.3:*:*:*:*:*:*:*0.6.3VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.6.4:*:*:*:*:*:*:*0.6.4VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.6.5:*:*:*:*:*:*:*0.6.5VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.0:*:*:*:*:*:*:*0.7.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.1:*:*:*:*:*:*:*0.7.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.2:*:*:*:*:*:*:*0.7.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.3:*:*:*:*:*:*:*0.7.3VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.4:*:*:*:*:*:*:*0.7.4VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.5:*:*:*:*:*:*:*0.7.5VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.6:*:*:*:*:*:*:*0.7.6VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.7.7:*:*:*:*:*:*:*0.7.7VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.0:*:*:*:*:*:*:*0.8.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.1:*:*:*:*:*:*:*0.8.1VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.2:*:*:*:*:*:*:*0.8.2VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.3:*:*:*:*:*:*:*0.8.3VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.4:*:*:*:*:*:*:*0.8.4VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.5:*:*:*:*:*:*:*0.8.5VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.6:*:*:*:*:*:*:*0.8.6VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.7:*:*:*:*:*:*:*0.8.7VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.8.8:*:*:*:*:*:*:*0.8.8VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.9.0:*:*:*:*:*:*:*0.9.0VulnerableRed Hat
cpe:2.3:a:redhat:libvirt:0.9.1:*:*:*:*:*:*:*0.9.1VulnerableRed Hat
  • cpe:2.3:a:redhat:libvirt:0.1.4:*:*:*:*:*:*:* Versions 0.1.4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.5:*:*:*:*:*:*:* Versions 0.1.5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.6:*:*:*:*:*:*:* Versions 0.1.6 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.7:*:*:*:*:*:*:* Versions 0.1.7 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.8:*:*:*:*:*:*:* Versions 0.1.8 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.1.9:*:*:*:*:*:*:* Versions 0.1.9 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.2.0:*:*:*:*:*:*:* Versions 0.2.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.2.1:*:*:*:*:*:*:* Versions 0.2.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.2.2:*:*:*:*:*:*:* Versions 0.2.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.2.3:*:*:*:*:*:*:* Versions 0.2.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.3.0:*:*:*:*:*:*:* Versions 0.3.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.3.1:*:*:*:*:*:*:* Versions 0.3.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.3.2:*:*:*:*:*:*:* Versions 0.3.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.3.3:*:*:*:*:*:*:* Versions 0.3.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.4.0:*:*:*:*:*:*:* Versions 0.4.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.4.1:*:*:*:*:*:*:* Versions 0.4.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.4.2:*:*:*:*:*:*:* Versions 0.4.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.4.3:*:*:*:*:*:*:* Versions 0.4.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.4.4:*:*:*:*:*:*:* Versions 0.4.4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.4.5:*:*:*:*:*:*:* Versions 0.4.5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.4.6:*:*:*:*:*:*:* Versions 0.4.6 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.5.0:*:*:*:*:*:*:* Versions 0.5.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.5.1:*:*:*:*:*:*:* Versions 0.5.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.6.0:*:*:*:*:*:*:* Versions 0.6.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.6.1:*:*:*:*:*:*:* Versions 0.6.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.6.2:*:*:*:*:*:*:* Versions 0.6.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.6.3:*:*:*:*:*:*:* Versions 0.6.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.6.4:*:*:*:*:*:*:* Versions 0.6.4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.6.5:*:*:*:*:*:*:* Versions 0.6.5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.0:*:*:*:*:*:*:* Versions 0.7.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.1:*:*:*:*:*:*:* Versions 0.7.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.2:*:*:*:*:*:*:* Versions 0.7.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.3:*:*:*:*:*:*:* Versions 0.7.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.4:*:*:*:*:*:*:* Versions 0.7.4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.5:*:*:*:*:*:*:* Versions 0.7.5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.6:*:*:*:*:*:*:* Versions 0.7.6 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.7.7:*:*:*:*:*:*:* Versions 0.7.7 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.0:*:*:*:*:*:*:* Versions 0.8.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.1:*:*:*:*:*:*:* Versions 0.8.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.2:*:*:*:*:*:*:* Versions 0.8.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.3:*:*:*:*:*:*:* Versions 0.8.3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.4:*:*:*:*:*:*:* Versions 0.8.4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.5:*:*:*:*:*:*:* Versions 0.8.5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.6:*:*:*:*:*:*:* Versions 0.8.6 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.7:*:*:*:*:*:*:* Versions 0.8.7 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.8.8:*:*:*:*:*:*:* Versions 0.8.8 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.9.0:*:*:*:*:*:*:* Versions 0.9.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libvirt:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2011:1197 Released 2011-08-23 · Red Hat rating Moderate
    libvirt security and bug fix update
    • Red Hat Enterprise Linux Server (v. 6) libvirt-0.8.7-18.el6_1.1, libvirt-client-0.8.7-18.el6_1.1, libvirt-client-0.8.7-18.el6_1.1.ppc +3
  • RHSA-2011:1019 Released 2011-07-21 · Red Hat rating Moderate
    libvirt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) libvirt-0.8.2-22.el5, libvirt-0.8.2-22.el5.i386, libvirt-devel-0.8.2-22.el5 +3
    • Red Hat Enterprise Linux Virtualization (v. 5 server) libvirt-0.8.2-22.el5, libvirt-0.8.2-22.el5.i386, libvirt-0.8.2-22.el5.ia64 +6

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix yet
Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)Fixed RHSA-2011:1019
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1197
Red Hat Enterprise Linux Virtualization (v. 5 server)Fixed RHSA-2011:1019

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2511
  2. 2026-10-03 Alias added: GHSA-vxfh-2pc2-vcmc

References

Patch 2

Advisory 7

Other 1

  • TI-2016-04328 libvirt before 2.0.0 improperly disables password checking when the password on a VNC… CVSS 3.0CRITICAL 9.8
  • TI-2019-07455 Incorrect permission assignment in libvirt CVSS 3.0HIGH 8.8
  • TI-2013-03857 The virConnectDomainXMLToNative API function in libvirt 1.1.0 through 1.1.3 checks for… CVSS 2.0HIGH 8.5
  • TI-2018-04154 qemu/qemu_monitor.c in libvirt allows attackers to cause a denial of service (memory… CVSS 3.0HIGH 7.5
  • TI-2017-14571 libvirt version 2.3.0 and later is vulnerable to a bad default configuration of… CVSS 3.1HIGH 8.1
  • TI-2013-00105 Use-after-free vulnerability in the virNetMessageFree function in… CVSS 2.0MEDIUM 6.8
See all 72 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences