DEBIAN-CVE-2021-3507
- Source
- https://security-tracker.debian.org/tracker/CVE-2021-3507
- Import Source
- https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3507.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-3507
- Upstream
- Downstream
- Published
- 2021-05-06T16:15:07Z
- Modified
- 2026-09-15T09:02:38Z
- Severity
-
- 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Debian:12 / qemu
Package
- Name
- qemu
- Purl
- pkg:deb/debian/qemu?arch=source&distro=bookworm
Debian:13 / qemu
Package
- Name
- qemu
- Purl
- pkg:deb/debian/qemu?arch=source&distro=trixie
Debian:14 / qemu
Package
- Name
- qemu
- Purl
- pkg:deb/debian/qemu?arch=source&distro=forky