CVE & CISA-KEV Catalog

CVE-2017-8309

HIGHEPSS 90th pctl
7.5
CVSS v3
NVD

Description

Memory leak in the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture.

CWE-772

How to fix

Remediation Available
qemuDebian
Fixed in:1:2.8+dfsg-5CVE-2017-8309
Fixed in:1:2.8+dfsg-5CVE-2017-8309
Fixed in:1:2.8+dfsg-5CVE-2017-8309
Fixed in:1:2.8+dfsg-5CVE-2017-8309
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-systemUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-aarch64Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-armUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-mipsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-miscUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-ppcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-s390xUbuntu
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-sparcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1

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 RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

4.54%probability of exploitation in 30 days
90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Embed a live status badge for CVE-2017-8309
CVE-2017-8309 severity badge

Markdown

[![CVE-2017-8309](https://tridentstack.com/cve/badge/CVE-2017-8309.svg)](https://tridentstack.com/cve/CVE-2017-8309)

HTML

<a href="https://tridentstack.com/cve/CVE-2017-8309"><img src="https://tridentstack.com/cve/badge/CVE-2017-8309.svg" alt="CVE-2017-8309"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-05-13.