CVE-2009-3616

CRITICAL

QEMU < 0.10.6 - Use-After-Free in VNC Server via Client Disconnect or Fuzzy Screen Mode

Title source: llm
STIX 2.1

Description

Multiple use-after-free vulnerabilities in vnc.c in the VNC server in QEMU 0.10.6 and earlier might allow guest OS users to execute arbitrary code on the host OS by establishing a connection from a VNC client and then (1) disconnecting during data transfer, (2) sending a message using incorrect integer data types, or (3) using the Fuzzy Screen Mode protocol, related to double free vulnerabilities.

References (10)

Core 10
Core References
Issue Tracking, Patch x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=501131
Broken Link, Exploit x_refsource_confirm
http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331
Mailing List, Patch mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/10/16/8
Broken Link, Exploit x_refsource_confirm
http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5
Mailing List mailing-list x_refsource_mlist
http://marc.info/?l=qemu-devel&m=124324043812915
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=508567
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/36716
Third Party Advisory x_refsource_confirm
http://rhn.redhat.com/errata/RHEA-2009-1272.html
Mailing List, Patch mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/10/16/5
Exploit, Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=505641

Scores

CVSS v3 9.9
EPSS 0.0075
EPSS Percentile 73.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (3)
qemu/qemu < 0.10.6
redhat/enterprise_linux_server 5.0
redhat/enterprise_linux_workstation 5.0
Published Oct 23, 2009
Tracked Since Feb 18, 2026