CVE-2022-25235

    Dashboard / Vulnerabilities / CVE-2022-25235

    CVE-2022-25235

    Published: 16 Feb 2022Last Modified: 16 Oct 2026

    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://cert-portal.siemens.com/productcert/html/ssa-398330.html, https://cert-portal.siemens.com/productcert/html/ssa-484086.html, https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf, https://www.oracle.com/security-alerts/cpuapr2022.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25235.json, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/, https://nvd.nist.gov/vuln/detail/CVE-2022-25235, https://security.gentoo.org/glsa/202209-24, https://security.netapp.com/advisory/ntap-20220303-0008/, https://www.debian.org/security/2022/dsa-5085, https://github.com/libexpat/libexpat/pull/562, http://www.openwall.com/lists/oss-security/2022/02/19/1, https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -97a4840578693a346e79302909b67d97492e1880

    Affected versions

    R_2_4_4

    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