Is CVE-2012-2098 being actively exploited?

CVE-2012-2098 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-2098?

CVE-2012-2098 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2012-2098

MEDIUM · CVSS 5.0EPSS 12.8%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-310
EPSS score: 12.8% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2022-2784)
Published: June 29, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-2784 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

apache / commons compress

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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