CVE Database


Impact: Low
Public: 2012-05-23
Bugzilla: 810406: CVE-2012-2098 apache-commons-compress: denial of service flaw when compressing certain files


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2012-2098 from the MITRE CVE dictionary and NIST NVD.


The Red Hat Security Response Team has rated this issue as having low security impact. A future update may address this issue in Red Hat Enterprise Linux 5 and 6 for Apache Ant. This issue does not affect the Apache commons-compress library as shipped with JBoss Enterprise BRMS Platform 5.2.0 or JBoss Enterprise Portal Platform 5.2.0. For additional information, refer to the Issue Severity Classification:

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score: 2.6
Base Metrics: AV:N/AC:H/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: High
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date

External References

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For clarification or corrections please contact the Red Hat Security Response Team.