What is CVE-2026-48914?

CVE-2026-48914 is a medium-severity vulnerability, classified under Heap-based Buffer Overflow. CVSS score: 6.7/10. Published 2026-06-12.

How severe is CVE-2026-48914?

Medium severity. CVSS v3 base score is 6.7 out of 10.

CVE-2026-48914

CVE-2026-48914

A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by subm…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H.

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

secalert@redhat.com
secalert@redhat.com
secalert@redhat.com

Frequently asked questions

What is CVE-2026-48914?: CVE-2026-48914 is a medium-severity vulnerability, classified under Heap-based Buffer Overflow. CVSS score: 6.7/10. Published 2026-06-12.
How severe is CVE-2026-48914?: Medium severity. CVSS v3 base score is 6.7 out of 10.