VDB
DEBIAN-CVE-2021-3507
DEBIAN-CVE-2021-3507
PUBLISHED
CVSS 6.099999904632568 MEDIUM
A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.
Risk Scores
CVSS v3.1
6.099999904632568
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | qemu | 0, 0, 0 |
| Debian:11 | qemu | 0, 5.2+dfsg, 5.2+dfsg |
| Debian:13 | qemu | 0, 0, 0 |
| Debian:14 | qemu | 0, 0, 0 |
Timeline
- May 6, 2021 CVE Published
- Apr 28, 2026 CVE Updated