CVE & CISA-KEV Catalog

CVE-2018-17963

CRITICALEPSS 91th pctl

9.8

CVSS v3

Description

qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.

CWE-190Integer Overflow

How to fix

Remediation Available

qemuDebian

Fixed in:1:3.1+dfsg-1CVE-2018-17963

Fixed in:1:3.1+dfsg-1CVE-2018-17963

Fixed in:1:3.1+dfsg-1CVE-2018-17963

Fixed in:1:3.1+dfsg-1CVE-2018-17963

qemuUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-systemUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-system-aarch64Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

qemu-system-armUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-system-mipsUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-system-miscUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-system-ppcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-system-s390xUbuntu

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-system-sparcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

qemu-system-x86Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.44USN-3826-1

Fixed in:1:2.5+dfsg-5ubuntu10.33USN-3826-1

Fixed in:1:2.11+dfsg-1ubuntu7.8USN-3826-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.78%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch2

Third-Party Advisory7

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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 2024-11-21.