UBUNTU-CVE-2022-25235

    Dashboard / Vulnerabilities / UBUNTU-CVE-2022-25235

    UBUNTU-CVE-2022-25235

    Published: 15 Feb 2022Last Modified: 28 May 2026
    Upstream:
    CVE-2022-25235
    Aliases:
    USN-5288-1
    USN-5455-1
    USN-8235-1

    Summary:

    Details: xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.

    References: https://ubuntu.com/security/CVE-2022-25235, https://github.com/libexpat/libexpat/pull/562, https://github.com/libexpat/libexpat/pull/562/commits/367ae600b48d74261bbc339b17e9318424049791, https://github.com/libexpat/libexpat/pull/562/commits/97cfdc3fa7dca759880d81e371901f4620279106, https://ubuntu.com/security/notices/USN-5288-1, https://ubuntu.com/security/notices/USN-5455-1, https://www.cve.org/CVERecord?id=CVE-2022-25235, https://ubuntu.com/security/notices/USN-8240-1, https://ubuntu.com/security/notices/USN-8235-1, https://ubuntu.com/security/notices/USN-8313-1, https://ubuntu.com/security/notices/USN-8314-1, https://ubuntu.com/security/notices/USN-8316-1

    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+esm4

    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

    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-2022-25235 | CVE-DB