CVE-2014-0223

CVE-2014-0223 is a medium-severity vulnerability in Qemu with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.6)
• EPSS exploit prediction: 1% (45th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Qemu
• Published: 2014-11-04
• Last modified: 2026-06-17

Description

Integer overflow in the qcow_open function in block/qcow.c in QEMU before 1.7.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a large image size, which triggers a buffer overflow or out-of-bounds read.

Frequently asked questions

What is CVE-2014-0223?

Integer overflow in the qcow_open function in block/qcow.c in QEMU before 1.7.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a large image size, which triggers a buffer overflow or out-of-bounds read.

How severe is CVE-2014-0223?

CVE-2014-0223 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2014-0223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0223?

CVE-2014-0223 primarily affects Qemu. In total, 93 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0223?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0223 published?

CVE-2014-0223 was published on 2014-11-04 and last updated on 2026-06-17.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134053.html
• http://lists.nongnu.org/archive/html/qemu-stable/2014-07/msg00187.html
• http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00021.html
• http://www.debian.org/security/2014/dsa-3044
• http://www.securityfocus.com/bid/67391
• https://lists.gnu.org/archive/html/qemu-devel/2014-05/msg02156.html

Affected products (93)

• cpe:2.3:o:suse:linux_enterprise_server:11.0:sp1:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.8.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.8.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.8.2:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.9.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.9.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.9.1-5:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.10.0:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.10.1:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.10.2:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.10.3:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.10.4:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.10.5:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.10.6:*:*:*:*:*:*:*
• cpe:2.3:a:qemu:qemu:0.11.0:*:*:*:*:*:*:*

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