Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-0036

24
FAUCET Score

CVE-2009-0036 describes a buffer overflow vulnerability in the proxyReadClientSocket function of libvirt_proxy 0.5.1. This flaw allows local attackers to potentially gain privileges by manipulating virProxyPacket headers, exploiting uninitialized memory during a validation check. With a CVSS score of 4.4 (AV:L/AC:M/Au:N/C:P/I:P/A:P), it indicates a medium attack complexity with potential for partial confidentiality, integrity, and availability impact. While not actively exploited in the wild or on the KEV catalog, public exploit code (EDB-8534) exists, though it has garnered no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.5.1CPE matchmatch criteria
cpe:2.3:a:libvirt:libvirt:0.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.4MEDIUM

AV:L/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-8534 · Apr 27, 2009
This CVE's current EPSS score of 0.0117 is in the 92nd percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvirt-0:0.3.3-14.el5_3.1
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-0036Moderate

libvirt: libvirt_proxy buffer overflow

Jan 27, 2009

References

git.et.redhat.com
openwall.com / lists/oss-security/2009/02/10/8
bugzilla.redhat.com / show_bug.cgi
Vendor Advisory
secunia.com / advisories/34397
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10127
redhat.com / archives/libvir-list/2009-January/msg00699.html
ExploitVendor Advisory
redhat.com / archives/libvir-list/2009-January/msg00726.html
ExploitVendor Advisory
redhat.com / archives/libvir-list/2009-January/msg00728.html
ExploitVendor Advisory
redhat.com / support/errata/RHSA-2009-0382.html
securityfocus.com / bid/33724