DEBIAN-CVE-2011-4528

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    DEBIAN-CVE-2011-4528

    Published: 20 Dec 2011Last Modified: 11 Sept 2026
    Upstream:
    CVE-2011-4528

    Summary:

    Details: Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.

    References: https://security-tracker.debian.org/tracker/CVE-2011-4528

    Affected packages

    Package

    Name: unbound

    Purl: pkg:deb/debian/unbound?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.4.14-1

    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
    DEBIAN-CVE-2011-4528 | CVE-DB