CVE-2021-3516

    Dashboard / Vulnerabilities / CVE-2021-3516

    CVE-2021-3516

    Published: 1 Jun 2021Last Modified: 1 Sept 2026

    Summary:

    Details: There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and 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://lists.debian.org/debian-lts-announce/2021/05/msg00008.html, https://security.gentoo.org/glsa/202107-05, https://security.netapp.com/advisory/ntap-20210716-0005/, https://bugzilla.redhat.com/show_bug.cgi?id=1954225, https://gitlab.gnome.org/GNOME/libxml2/-/issues/230, https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539, https://www.oracle.com/security-alerts/cpujan2022.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -e1bcffea180d6cc0651757bb64284a763e0e2239

    Affected versions

    6.0

    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-2021-3516 | CVE-DB