Is CVE-2009-3616 in the CISA KEV catalog?

No. CVE-2009-3616 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-3616?

CVE-2009-3616 has a CVSS v3 base score of 9.9 (CRITICAL).

What is the EPSS score for CVE-2009-3616?

CVE-2009-3616 has an EPSS score of 3.88% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-3616?

Upgrade qemu on debian 11 to 0.11.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2009-3616

CRITICALEPSS 89th pctl

9.9

CVSS v3

NVD

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.

CWE-416Use After Free

How to fix

Remediation Available

qemuDebian

Fixed in:0.11.0-1CVE-2009-3616

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

3.88%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch3

Exploit3

Third-Party Advisory2

Issue Tracking1

bugzilla.redhat.com

Mailing List1

marc.info

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.