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CVE-2008-4539

20
FAUCET Score

CVE-2008-4539 describes a heap-based buffer overflow in the Cirrus VGA implementation of KVM (before kvm-82) and QEMU on Debian/Ubuntu, potentially allowing local users to gain privileges via the VNC console. This vulnerability, a result of an incorrect fix for CVE-2007-1320, carries a CVSS score of 7.2, indicating high severity with local attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 81CPE matchmatch criteria
cpe:2.3:a:kvm_qumranet:kvm:*:*:*:*:*:*:*:*
< 0.10.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
8.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
8.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.54%
Probability of exploitation in next 30 days
EPSS Percentile
42.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0054 is in the 64th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2008-4539Moderate

kvm/qemu/xen: Incomplete upstream fix for CVE-2007-1320

Oct 29, 2008

References

git.kernel.dk
groups.google.com / group/linux.debian.changes.devel/msg/9e0dc008572f2867
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2009-04/msg00003.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
secunia.com / advisories/25073
Third Party Advisory
secunia.com / advisories/29129
Third Party Advisory
secunia.com / advisories/33350
Third Party Advisory
secunia.com / advisories/34642
Third Party Advisory
secunia.com / advisories/35031
Third Party Advisory
secunia.com / advisories/35062
Third Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/47736
Third Party AdvisoryVDB Entry
launchpad.net / ubuntu/jaunty/+source/qemu/0.9.1+svn20081112-1ubuntu1
Third Party Advisory
svn.savannah.gnu.org / viewvc
Third Party Advisory
redhat.com / archives/fedora-package-announce/2008-December/msg01223.html
Third Party Advisory
debian.org / security/2009/dsa-1799
Third Party Advisory
mail-archive.com / cvs-all%40freebsd.org/msg129730.html
mail-archive.com / secure-testing-commits%40lists.alioth.debian.org/msg09322.html
ubuntu.com / usn/usn-776-1
Third Party Advisory