CVE-2009-0036

Exp

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.

Published: 2009-02-11 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0036 is rated Exploit Available (55.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.17%). 4 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-0036

EDB-ID Source Kind Published Link
8534 exploit_db edb 2009-04-27 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0036

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.27% 1.17% +0.90%
2 2026-04-03 0.24% 0.27% +0.02%
3 2025-03-30 — 0.24% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0036

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 2.0 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 6.4 [email protected]

Weakness enumeration for CVE-2009-0036

OS Trackers for CVE-2009-0036

vendor priority summary link
debian unimportant CVE-2009-0036 unimportant priority: Debian including 1 source packages (libvirt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-0036
redhat medium — https://access.redhat.com/security/cve/CVE-2009-0036
suse medium CVE-2009-0036 severity moderate: SUSE including 33 source package names (libvirt, libvirt-admin, …), 117 product×package rows across 13 product lines (SUSE Linux Enterprise Desktop 12 SP3, SUSE Linux Enterprise Server 11 SP1 for Teradata, … (13 product lines)): Known Not Affected 117. https://www.suse.com/security/cve/CVE-2009-0036/
ubuntu negligible CVE-2009-0036 negligible priority: Ubuntu including 1 source packages (libvirt), 8 status rows across 8 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, upstream): not-affected 4, ignored 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2009-0036

Affected software / configurations for CVE-2009-0036

Vendor Product Version Raw CPE
libvirt libvirt 0.5.1 cpe:2.3:a:libvirt:libvirt:0.5.1:*:*:*:*:*:*:*

References for CVE-2009-0036

cvelogic Threat Intelligence