CVE-2008-1943

Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through...

2.1 Low

Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through 3.1.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a crafted description of a shared framebuffer.

Exploit likelihood

0.49%Down 1.7 points since Feb 4, 2022

What each source reports

NVD Score used 2.1

Record: CVE-2008-1943
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2008-1943
Updated: 2026-11-02

EUVDEUVD-2008-1942 No score

Record: EUVD-2008-1942
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p45c-4mjh-x6qw No score

Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through...

Record: GHSA-p45c-4mjh-x6qw
Weakness: CWE-119
Updated: 2026-11-02

Affected products

xensource xen

Affected packages

Affected packages
Package	Affected	Fixed
`xen` Red Hat:rhel_virtualization:5::client From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-debuginfo` Red Hat:rhel_virtualization:5::client From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-devel` Red Hat:rhel_virtualization:5::client From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen` Red Hat:enterprise_linux:5::client From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-libs` Red Hat:enterprise_linux:5::client From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen` Red Hat:rhel_virtualization:5::server From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-debuginfo` Red Hat:rhel_virtualization:5::server From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-devel` Red Hat:rhel_virtualization:5::server From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5
`xen-libs` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 0:3.0.3-41.el5_1.5	0:3.0.3-41.el5_1.5

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-1943 is a low vulnerability (CVSS 2.1) in Xensource Xen, published May 14, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.

References

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