UBUNTU-CVE-2022-25313

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    UBUNTU-CVE-2022-25313

    Published: 18 Feb 2022Last Modified: 17 Oct 2026
    Upstream:
    CVE-2022-25313
    Aliases:
    USN-5320-1

    Summary:

    Details: In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

    References: https://ubuntu.com/security/CVE-2022-25313, https://github.com/libexpat/libexpat/pull/558, https://ubuntu.com/security/notices/USN-5320-1, https://www.cve.org/CVERecord?id=CVE-2022-25313

    Affected packages

    Package

    Name: expat

    Purl: pkg:deb/ubuntu/expat?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1.0-4ubuntu1.4+esm6

    Affected versions

    2.1.0-4
    2.1.0-4ubuntu1
    2.1.0-4ubuntu1.1
    2.1.0-4ubuntu1.2
    2.1.0-4ubuntu1.3
    2.1.0-4ubuntu1.4
    2.1.0-4ubuntu1.4+esm1
    2.1.0-4ubuntu1.4+esm2
    2.1.0-4ubuntu1.4+esm4

    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-2022-25313 | CVE-DB