CVE-2012-2098

    Dashboard / Vulnerabilities / CVE-2012-2098

    CVE-2012-2098

    Published: 29 Jun 2012Last Modified: 16 Apr 2026

    Summary:

    Details: Algorithmic complexity vulnerability in the sorting algorithms in bzip2 compressing stream (BZip2CompressorOutputStream) in Apache Commons Compress before 1.4.1 allows remote attackers to cause a denial of service (CPU consumption) via a file with many repeating inputs.

    References: http://ant.apache.org/security.html, http://archives.neohapsis.com/archives/bugtraq/2012-05/0130.html, http://commons.apache.org/compress/security.html, http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081697.html, http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081746.html, http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105049.html, http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105060.html, http://packetstormsecurity.org/files/113014/Apache-Commons-Compress-Apache-Ant-Denial-Of-Service.html, http://secunia.com/advisories/49255, http://secunia.com/advisories/49286, http://www-01.ibm.com/support/docview.wss?uid=swg21644047, http://www.securityfocus.com/bid/53676, http://www.securitytracker.com/id?1027096, https://exchange.xforce.ibmcloud.com/vulnerabilities/75857, https://www.oracle.com/security-alerts/cpujan2021.html, http://osvdb.org/82161, http://www.openwall.com/lists/oss-security/2023/09/13/3, https://lists.apache.org/thread.html/r204ba2a9ea750f38d789d2bb429cc0925ad6133deea7cbc3001d96b5%40%3Csolr-user.lucene.apache.org%3E

    Affected packages

    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