Is CVE-2016-4964 in the CISA KEV catalog?

No. CVE-2016-4964 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4964?

CVE-2016-4964 has a CVSS v3 base score of 6.0 (MEDIUM).

What is the EPSS score for CVE-2016-4964?

CVE-2016-4964 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4964?

Upgrade qemu on debian 11 to 1:2.6+dfsg-2 or later.

CVE & CISA-KEV Catalog

CVE-2016-4964

MEDIUM

6.0

CVSS v3

NVD

Description

The mptsas_fetch_requests function in hw/scsi/mptsas.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop, and CPU consumption or QEMU process crash) via vectors involving s->state.

How to fix

Remediation Available

qemuDebian

Fixed in:1:2.6+dfsg-2CVE-2016-4964

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 VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Patch1

lists.gnu.org

Third-Party Advisory3

Other references1

git.qemu.org

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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 2026-05-06.