CVE-2026-2243
Moderate
Qemu-kvm: heap buffer out-of-bounds read in vmdk compressed grain parsing
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).
Exploit probability
0.1%
Published
February 19, 2026
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
280 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-2243
View original source
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).
05 / REFERENCES
Further evidence
- https://access.redhat.com/downloads/content/package-browser/
- https://access.redhat.com/security/cve/CVE-2026-2243
- https://bugzilla.redhat.com/show_bug.cgi?id=2440934
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2243.json
- https://gitlab.com/qemu-project/qemu
- https://nvd.nist.gov/vuln/detail/CVE-2026-2243