Read the docs
TI-2009-00036 Aliases CVE-2009-0036GHSA-wm6m-gxgr-pvq6

Buffer overflow in the proxyReadClientSocket function in proxy/libvirt_proxy.c in…

Priority LOW 23CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Buffer overflow in the proxyReadClientSocket function in proxy/libvirt_proxy.c in libvirt_proxy 0.5.1 might allow local users to gain privileges by sending a portion of the header of a virProxyPacket packet, and then sending the remainder of the packet with crafted values in the header, related to use of uninitialized memory in a validation check.

Why it matters now

EPSS 0.01172 67th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed Red Hat: 1 advisory

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:libvirt:libvirt:0.5.1:*:*:*:*:*:*:*0.5.1Vulnerablelibvirt
  • cpe:2.3:a:libvirt:libvirt:0.5.1:*:*:*:*:*:*:* Versions 0.5.1 Vulnerable ·libvirt

Remediation

Red Hat 1 advisory

  • RHSA-2009:0382 Released 2009-03-19 · Red Hat rating Moderate
    libvirt security update
    • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) libvirt-0.3.3-14.el5_3.1, libvirt-0.3.3-14.el5_3.1.i386, libvirt-devel-0.3.3-14.el5_3.1 +3
    • Red Hat Enterprise Linux Virtualization (v. 5 server) libvirt-0.3.3-14.el5_3.1, libvirt-0.3.3-14.el5_3.1.i386, libvirt-0.3.3-14.el5_3.1.ia64 +6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)Fixed RHSA-2009:0382
Red Hat Enterprise Linux Virtualization (v. 5 server)Fixed RHSA-2009:0382

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-0036
  2. 2026-10-03 Alias added: GHSA-wm6m-gxgr-pvq6

References

Exploit 3

Advisory 2

Other 3

  • TI-2008-04837 Multiple methods in libvirt 0.3.2 through 0.5.1 do not check if a connection is… CVSS 2.0HIGH 7.2
  • TI-2014-02954 The qemuDomainGetBlockIoTune function in qemu/qemu_driver.c in libvirt before 1.2.9, when… CVSS 2.0MEDIUM 5.8
  • TI-2014-02977 The virDomainListPopulate function in conf/domain_conf.c in libvirt before 1.2.9 does not… CVSS 2.0MEDIUM 5.0
  • TI-2015-04328 libvirt before 2.2 includes Ceph credentials on the qemu command line when using RADOS… CVSS 3.0MEDIUM 5.5
  • TI-2010-02148 Red Hat libvirt, possibly 0.6.0 through 0.8.2, creates new images without setting the… CVSS 2.0MEDIUM 4.4
  • TI-2010-02147 Red Hat libvirt, possibly 0.7.2 through 0.8.2, recurses into disk-image backing stores… CVSS 2.0MEDIUM 4.4
See all 8 →

Sources

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