CVE-2021-3421

    Dashboard / Vulnerabilities / CVE-2021-3421

    CVE-2021-3421

    Published: 19 May 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects RPM versions before 4.17.0-alpha.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/, https://security.gentoo.org/glsa/202107-43, https://bugzilla.redhat.com/show_bug.cgi?id=1927747

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3659b8a04f5b8bacf6535e0124e7fe23f15286bd

    Affected versions

    rpm-4.16.1.2-release
    rpm-4.16.1.1-release
    rpm-4.16.1-release
    rpm-4.16.0-release
    rpm-4.16.0-beta3
    rpm-4.16.0-beta2
    rpm-4.16.0-alpha

    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-2021-3421 | CVE-DB