๐Ÿ” CVE Alert

CVE-2026-2243

MEDIUM 5.1

Qemu-kvm: heap buffer out-of-bounds read in vmdk compressed grain parsing

CVSS Score
5.1
EPSS Score
0.0%
EPSS Percentile
0th

A flaw was found in QEMU. A specially crafted VMDK image could trigger an out-of-bounds read vulnerability, potentially leading to a 12-byte leak of sensitive information or a denial of service condition (DoS).

CWE CWE-125
Published Feb 19, 2026
Last Updated Mar 2, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

Affected Versions

Red Hat / Red Hat Enterprise Linux 10
All versions affected
Red Hat / Red Hat Enterprise Linux 6
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 9
All versions affected
Red Hat / Red Hat OpenShift Container Platform 4
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-2243 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2440934

Credits

Red Hat would like to thank Halil Oktay (oblivionsage) for reporting this issue.