CLEANSTART-2026-GK43821

    Dashboard / Vulnerabilities / CLEANSTART-2026-GK43821

    CLEANSTART-2026-GK43821

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2021-3507

    Summary: heap buffer overflow was found in the floppy disk emulator of QEMU up to 6

    Details: Security vulnerability affects the qemu package. A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-GK43821.json, https://osv.dev/vulnerability/CVE-2021-3507, https://nvd.nist.gov/vuln/detail/CVE-2021-3507

    Affected packages

    Package

    Name: qemu

    Purl: pkg:apk/cleanstart/qemu

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.1.0-r0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CLEANSTART-2026-GK43821 | CVE-DB