CVE-2021-3537

    Dashboard / Vulnerabilities / CVE-2021-3537

    CVE-2021-3537

    Published: 14 May 2021Last Modified: 1 Sept 2026

    Summary:

    Details: A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/, https://www.oracle.com/security-alerts/cpujul2022.html, https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html, https://security.gentoo.org/glsa/202107-05, https://security.netapp.com/advisory/ntap-20210625-0002/, https://bugzilla.redhat.com/show_bug.cgi?id=1956522, https://www.oracle.com/security-alerts/cpuapr2022.html, https://www.oracle.com/security-alerts/cpuoct2021.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -e1bcffea180d6cc0651757bb64284a763e0e2239

    Affected versions

    CVE-2021-3541

    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
    CVE-2021-3537 | CVE-DB