UBUNTU-CVE-2020-19725

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    UBUNTU-CVE-2020-19725

    Published: 22 Aug 2023Last Modified: 20 May 2026
    Upstream:

    Summary:

    Details: There is a use-after-free vulnerability in file pdd_simplifier.cpp in Z3 before 4.8.8. It occurs when the solver attempt to simplify the constraints and causes unexpected memory access. It can cause segmentation faults or arbitrary code execution.

    Affected packages

    Package

    Name: z3

    Purl: pkg:deb/ubuntu/z3?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.4.0-2
    4.4.0-3
    4.4.0-3build1
    4.4.0-5

    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
    UBUNTU-CVE-2020-19725 | CVE-DB