CVE-2011-3262

tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allows local users to cause a denial of service (management software infinite loop and management domain resource consumption) via unspecified vectors related to "Lack of error checking in the decompression loop."

Published: 2011-08-19 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3262 is rated Low Risk (17.4/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.33%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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

Exploit prediction scoring system (EPSS) score for CVE-2011-3262

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 0.10% 0.33% +0.24%
2 2025-03-17 0.04% 0.10% +0.05%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3262

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2011-3262

OS Trackers for CVE-2011-3262

vendor priority summary link
debian not yet assigned CVE-2011-3262 not yet assigned priority: Debian including 1 source packages (xen), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-3262
gentoo high CVE-2011-3262: 1 GLSA(s) (201309-24), 3 atom(s) (app-emulation/xen, app-emulation/xen-pvgrub, app-emulation/xen-tools); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3262
redhat high — https://access.redhat.com/security/cve/CVE-2011-3262
ubuntu medium CVE-2011-3262 medium priority: Ubuntu including 4 source packages (xen, xen-3.1, xen-3.2, xen-3.3), 40 status rows across 10 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): DNE 26, ignored 5, not-affected 5, needs-triage 3, released 1. https://ubuntu.com/security/CVE-2011-3262

Affected software / configurations for CVE-2011-3262

Vendor Product Version Raw CPE
citrix xen 3.2.0 cpe:2.3:a:citrix:xen:3.2.0:*:*:*:*:*:*:*
citrix xen 3.3.0 cpe:2.3:a:citrix:xen:3.3.0:*:*:*:*:*:*:*
citrix xen 4.0.0 cpe:2.3:a:citrix:xen:4.0.0:*:*:*:*:*:*:*
citrix xen 4.1.0 cpe:2.3:a:citrix:xen:4.1.0:*:*:*:*:*:*:*

References for CVE-2011-3262

cvelogic Threat Intelligence