Is CVE-2012-2098 in the CISA KEV catalog?

No. CVE-2012-2098 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-2098?

CVE-2012-2098 has a CVSS v2 base score of 5.0 (MEDIUM).

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

CVE-2012-2098 has an EPSS score of 12.61% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2012-2098

MEDIUMEPSS 96th pctl

5.0

CVSS v2

NVD

Description

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.

CWE-310

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

12.61%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

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://osvdb.org/82161
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.openwall.com/lists/oss-security/2023/09/13/3
http://www.securityfocus.com/bid/53676
http://www.securitytracker.com/id?1027096
https://exchange.xforce.ibmcloud.com/vulnerabilities/75857
https://lists.apache.org/thread.html/r204ba2a9ea750f38d789d2bb429cc0925ad6133deea7cbc3001d96b5%40%3Csolr-user.lucene.apache.org%3E
https://www.oracle.com/security-alerts/cpujan2021.html

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.