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Description

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).

PUBLISHED Reserved 2026-02-09 | Published 2026-02-19 | Updated 2026-02-20 | Assigner redhat




MEDIUM: 5.1CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Problem types

Out-of-bounds Read

Product status

Default status
affected

Default status
unknown

Default status
unknown

Default status
unknown

Default status
affected

Default status
affected

Default status
affected

Timeline

2026-02-19:Reported to Red Hat.
2026-02-10:Made public.

Credits

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

References

access.redhat.com/security/cve/CVE-2026-2243 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2440934 (RHBZ#2440934) issue-tracking

cve.org (CVE-2026-2243)

nvd.nist.gov (CVE-2026-2243)

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