{"cve":{"cve_id":"CVE-2009-3616","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.03875,"epss_percentile":0.88839,"epss_as_of":"2026-06-23","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.","published_at":"2009-10-23T18:00:00Z","last_modified_at":"2026-06-16T23:12:01.517000Z","cvss_v3_score":9.9,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-416"],"nvd_references":["https://bugzilla.redhat.com/show_bug.cgi?id=501131","http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331","http://www.openwall.com/lists/oss-security/2009/10/16/8","http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5","http://marc.info/?l=qemu-devel&m=124324043812915","https://bugzilla.redhat.com/show_bug.cgi?id=508567","http://www.securityfocus.com/bid/36716","http://rhn.redhat.com/errata/RHEA-2009-1272.html","http://www.openwall.com/lists/oss-security/2009/10/16/5","https://bugzilla.redhat.com/show_bug.cgi?id=505641"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:05:11.276559Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"qemu","vendor_name":"QEMU","product_slug":"qemu","product_name":"QEMU","version_start":null,"version_start_inclusive":null,"version_end":"0.10.6","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*"},{"vendor_slug":"redhat","vendor_name":"RedHat","product_slug":"enterprise-linux-server","product_name":"enterprise_linux_server","version_start":"5.0","version_start_inclusive":true,"version_end":"5.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*"},{"vendor_slug":"redhat","vendor_name":"RedHat","product_slug":"enterprise-linux-workstation","product_name":"enterprise_linux_workstation","version_start":"5.0","version_start_inclusive":true,"version_end":"5.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=501131","source_type":"MISC","tags":[]},{"url":"http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331","source_type":"MISC","tags":["patch"]},{"url":"http://www.openwall.com/lists/oss-security/2009/10/16/8","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5","source_type":"MISC","tags":["patch"]},{"url":"http://marc.info/?l=qemu-devel&m=124324043812915","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=508567","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/36716","source_type":"MISC","tags":[]},{"url":"http://rhn.redhat.com/errata/RHEA-2009-1272.html","source_type":"MISC","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2009/10/16/5","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=505641","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2009-10-23T18:00:00Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-24T01:18:06.333431Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-06-24T01:18:06.333431Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-06-24T01:18:06.333431Z","label":"CVSS score revised","source":"nvd"}]}